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Virtual Seminar in Operations Research WSBO 2024 - September 23, 2024, (2024-09-26) The Financial Virtual Seminar on Operations Research was held on Monday, September 23, 2024. Scientists from the University of Łódź and the University of Economics in Katowice presented papers at the seminar: • Dr. Piotr Miszczyński (University of Łódź), Decision support in the banking sector in the context of ESG • Tomasz Witkowski, MA (University of Economics in Katowice) – Recursive reinforcement learning in Sharpe ratio optimization The duties of moderator of the seminar discussion were taken up by prof. Ph.D. Ewa Roszkowska. The discussion was attended by: prof. Wojciech Salabun and prof. Tomasz Wachowicz. The seminar was held for the 36th time. It was attended by 49 scientists and practitioners - representatives of 26 academic centers from all over Poland. Represented were: CAE Polska in Kraków, Coffeebmp Sp. z o. o. in Lodz, Collegium Witelon in Legnica, Institute of Systems Research of the Polish Academy of Sciences in Warsaw, Institute of Communications - National Research Institute in Warsaw, Bialystok University of Technology, Warsaw University of Life Sciences, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University Kraków University of Economics, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB University Merito in Gdansk, WSB Merito University in Poznan, WSB Merito University in Szczecin, WSB Merito University in Torun, and WSB Merito University in Warsaw. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on November 25, 2024 at 5:30 p.m. Scientists from the West Pomeranian University of Technology in Szczecin will deliver papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - June 10, 2024, (2024-06-15) The June Operations Research Virtual Seminar was held on Monday, June 10, 2024. Scientists from the Wroclaw University of Economics and the University of Szczecin delivered papers at the seminar: • Dr. Anna Sulima (Wroclaw University of Economics) – Modeling financial markets using the Levy process • Ph.D. Eng. Boguslaw Bogdanowicz (University of Szczecin) – The impact of architectural visualizations on the evaluation of single-family house designs in the purchasing decision-making process The duties of moderator of the seminar discussion were taken over by Dr. Hab. Tomasz Wachowicz, prof. EU. The discussion was attended by: prof. Tomasz Wachowicz, Dr. Anna Sulima and prof. Kesra Nermend. The seminar was held for the 35th time. It was attended by 43 scientists and practitioners - representatives of 16 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Kraków, Institute of System Research of the Polish Academy of Sciences, Institute of Communications - National Research Institute, Bialystok University of Technology, Warsaw University of Life Sciences, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University of Economics in Poznan, Wroclaw University of Economics, University of Lodz, Nicolaus Copernicus University in Torun, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan and WSB Merito University in Szczecin. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on September 23, 2024 at 5:30 p.m. Scientists from the University of Lodz and the University of Economics in Katowice will present papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - May 20, 2024, (2024-05-25) On Monday, May 20, 2024, the Business Virtual Seminar in Operations Research was held. Scientists from the Institute of Systems Research of the Polish Academy of Sciences delivered papers at the seminar: • Dr. Justyna Berniak-Wozny, Dr. Marek Szelagowski – Assessment of the nature of business processes – role and practical applications • Dr. Przemyslaw Juszczuk – Non-cooperative trading systems for the Forex market The duties of moderator of the seminar discussion were taken up by prof. Ewa Roszkowska. The discussion was attended by: prof. Konrad Kulakowski, Dr. Marek Szelagowski, prof. Wojciech Salabun, Dr. Przemyslaw Juszczuk and prof. Ewa Roszkowska. Dr hab. Grzegorz Tarczynski, prof. UE, invited all seminar participants to the 12th National Scientific Conference named after Professor Wladyslaw Bukietynski "Methods and Applications of Operations Research". Detailed information about the conference can be found at https://badania.uew.pl/konferencja-mzbo-2024/ The seminar was held for the 34th time. It was attended by 42 scientists and practitioners - representatives of 24 academic centers from all over Poland. Represented were: AGH University of Science and Technology in Kraków, Coffeebpm Sp. z o. o., Institute of Systems Research of the Polish Academy of Sciences, Institute of Communications - National Research Institute, Institute of Rural Development and Agriculture of the Polish Academy of Sciences, Bialystok University of Technology, Silesian University of Technology, Lukasiewicz Research Network (EMAG), Warsaw University of Life Sciences, Universite du Quebec, University of Bialystok, University University of Economics in Katowice, University of Economics in Poznan, University of Economics in Wroclaw, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, WSB Merito University in Szczecin, University of European Studies. Fr. Jozef Tischner in Krakow and the University of Applied Information Technology and Management in Warsaw. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on June 10, 2024 at 5:30 p.m. Scientists from the Wroclaw University of Economics and the University of Szczecin will present papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - April 22, 2024, (2024-04-25) On Monday, April 22, 2024, the Application Virtual Seminar in Operations Research was held. The following papers were presented at the seminar: • Dr. Mateusz Jankiewicz (Nicolaus Copernicus University in Torun) – The impact of changes in the structure of household consumption in Europe on the environmental aspect of sustainable development • Dr. Agnieszka Lach (Poznan University of Economics) – Fat tails of return rate distributions limit portfolio diversification - empirical examples The duties of moderator of the seminar discussion were taken up by prof. Ewa Roszkowska. The discussion was attended by: prof. Wojciech Salabun, prof. Aleksandra Luczak, prof. Jerzy Marcinkowski, prof. Anna Pajor and prof. Rafał Weron. The seminar was held for the 33rd time. It was attended by 62 scientists and practitioners - representatives of 24 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Kraków, CAE Polska, Institute of Telecommunications - National Research Institute, Bialystok University of Technology, Warsaw University of Technology, Wroclaw University of Science and Technology, Warsaw University of Life Sciences, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice , University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, Jagiellonian University in Krakow, University of Lodz, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, WSB Merito University in Szczecin, WSB Merito University in Warsaw and WSB Merito University in Wroclaw. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on May 20, 2024 at 5:30 p.m. Scientists from the Institute of Systems Research of the Polish Academy of Sciences will deliver papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - March 4, 2024, (2024-03-07) On Monday, March 4, 2024, the Graph Virtual Seminar in Operations Research was held. He gave a lecture on Random Matching Markets at the seminar • prof. Pawel Pralat from the Department of Mathematics, Toronto Metropolitan University. The duties of moderator of the seminar discussion were taken up by prof. Ph.D. Ewa Roszkowska. Our guest was introduced by prof. Bogumil Kaminski. The discussion was attended by: prof. Bogumil Kaminski, prof. Pawel Szewczyk, prof. Wojciech Salabun and Ph.D. Mateusz Zawisza. The seminar was held for the 32nd time. It was attended by 62 scientists and practitioners - representatives of 27 academic centers from all over Poland. The following were represented: Institute of Communications - National Research Institute, Institute of Rural Development and Agriculture of the Polish Academy of Sciences, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Life Sciences, Warsaw School of Economics, Toronto Metropolitan University, Adam Mickiewicz University in Poznan, University of Bialystok, University of of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, Jagiellonian University in Krakow, University of Lodz, Nicolaus Copernicus University in Torun, University of Opole, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Gdansk, WSB Merito University in Poznan, WSB Merito University in Szczecin, WSB Merito University in Warsaw and WSB Merito University in Wroclaw. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on April 22, 2024 at 5:30 p.m. Scientists from the Nicolaus Copernicus University in Torun and the Poznan University of Economics will present papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - February 12, 2024, (2024-02-20) On Monday, February 12, 2024, the Network Virtual Seminar in Operations Research was held. Scientists from the Warsaw School of Economics presented papers at the seminar: • Dr. Przemyslaw Szufel – Scheduling and optimization of service technicians' routes in the sharing economy • Dr. Sebastian Zajac – Quantum technologies in optimization tasks and machine learning The duties of moderator of the seminar discussion were taken up by prof. Ph.D. Ewa Roszkowska. The discussion was attended by: prof. Bogumil Kaminski, prof. Ignacy Kaliszewski, Dr. Piotr Miszczynski, Dr. Przemyslaw Szufel, prof. Konrad Kulakowski, Dr. Anna Kowalczyk and Dr. Sebastian Zajac. The seminar was held for the 31st time. It was attended by 57 scientists and practitioners - representatives of 22 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, Institute of Systemic Research of the Polish Academy of Sciences, Institute of Rural Development and Agriculture of the Polish Academy of Sciences, Bialystok University of Technology, Warsaw University of Technology, Warsaw School of Economics, Toronto Metropolitan University, University of Bialystok, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, Jagiellonian University in Krakow, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, University WSB Merito in Poznan, WSB Merito University in Szczecin and WSB Merito University in Warsaw. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on March 4, 2024 at 5:30 p.m. The lecture will be delivered by prof. Pawel Pralat from the Department of Mathematics, Toronto Metropolitan University. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2024 - January 15, 2024, (2024-01-23) On Monday, January 15, 2024, under the honorary patronage of the Rector of the WSB Merito University in Poznan, the Rector of the Bialystok University of Technology, the Operational Research Section of KSiE PAN and the INFORMS Poland Chapter, the 30th Winter Virtual Seminar in Operational Research was held. Scientists from the Poznan University of Life Sciences, the Institute of Rural Development and Agriculture of the Polish Academy of Sciences and the West Pomeranian University of Technology in Szczecin presented papers at the seminar: • Ph.D. Aleksandra Luczak, prof. UEP (Poznan University of Life Sciences), Ph.D. Slawomir Kalinowski, prof. IRWIR PAN (Institute of Rural Development and Agriculture of the Polish Academy of Sciences) – No heating, only woe – about measuring (in)visible energy poverty • Dr. Blazej Supron (West Pomeranian University of Technology in Szczecin) – Use of dynamic ARDL models in research in the area of transport – research results on connections and relationships between road transport and CO2 emissions The duties of moderator of the seminar discussion were taken up by prof. Ph.D. Ewa Roszkowska. The discussion was attended by: prof. Wojciech Salabun, prof. Aleksandra Luczak, prof. Slawomir Kalinowski, Dr. Hubert Iglinski, prof. Jerzy Marcinkowski and Dr. Blazej Supron. The seminar was held for the 30th time. It was attended by 59 scientists and practitioners - representatives of 28 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, Institute of System Research of the Polish Academy of Sciences, Institute of Communications - National Research Institute, Institute of Economic Sciences. Institute of Rural Development and Agriculture of the Polish Academy of Sciences, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Wroclaw University of Science and Technology, Warsaw University of Life Sciences, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, Wroclaw University of Economics, Jagiellonian University in Krakow, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Opole, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, WSB Merito University in Szczecin, WSB Merito University in Warsaw and West Pomeranian University of Technology in Szczecin. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on February 12, 2024 at 5:30 p.m. Scientists from the Warsaw School of Economics will present papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - December 18, 2023, (2023-12-29) The Postal Virtual Seminar in Operations Research was held on Monday, December 18, 2023. At the seminar, a lecture on Integrating Resource Acquisition and Repositioning Decisions into Tactical Transportation Planning under Uncertainty was given by Dr. Maciek Nowak from The Peter J. Tobin College of Business, St. John's University. The duties of moderator of the seminar discussion were taken up by prof. Ewa Roszkowska. The discussion was attended by: prof. Pawel Szewczyk, prof. Kazimierz Zaras, Dr. Grzegorz Koloch, Dr. Przemyslaw Szufel and Dr. Maciek Nowak. The seminar was held for the 29th time. It was attended by 36 scientists and practitioners - representatives of 19 academic centers from all over Poland and abroad. The following were represented: Collegium Witelon in Legnica, Institute of Telecommunications - National Research Institute, Bialystok University of Technology, Silesian University of Technology, Warsaw School of Economics, The Peter J. Tobin College of Business, St. John's University in New York, Université du Québec, University of Bialystok, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, University of Lodz, Nicolaus Copernicus University in Torun, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, WSB Merito University in Warsaw and West Pomeranian University of Technology in Szczecin. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on January 15, 2024 at 5:30 p.m. Scientists from the Poznań University of Life Sciences, the Institute of Rural Development and Agriculture of the Polish Academy of Sciences and the West Pomeranian University of Technology in Szczecin will present papers at the seminar. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - December 4, 2023, (2023-12-11) On Monday, December 4, 2023, the Didactic Virtual Seminar in Operations Research was held. This time the seminar took the form of a panel discussion on the topic: Operations research teaching at economic universities today and tomorrow. The session was chaired by prof. Tadeusz Trzaskalik from the Department of Operations Research at the University of Economics in Katowice. The invited panelists were research and teaching staff representing various academic centers in Poland: • Ph.D. Marcin Anholcer, prof. UEP from the Poznan University of Economics, • Ph.D. Sylwester Bejger, prof. UMK from the Nicolaus Copernicus University in Torun, • Ph.D. Agnieszka Kowalska-Styczen, prof. PS from the Silesian University of Technology in Gliwice, • Dr. Adam Kucharski from the University of Lodz, • prof. Ph.D. Maciej Nowak from the University of Economics in Katowice, • Ph.D. Jerzy Michnik, prof. UE from the University of Economics in Katowice, • Dr. Przemyslaw Szufel from the Warsaw School of Economics, • Ph.D. Grzegorz Tarczynski, prof. UEW from the Wroclaw University of Economics. The discussion was attended by: prof. Tomasz Szapiro and prof. Konrad Kulakowski. The seminar was held for the 28th time. It was attended by 48 scientists and practitioners - representatives of 18 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, Institute of Telecommunications - National Research Institute in Warsaw, Bialystok University of Technology, Silesian University of Technology in Gliwice, Warsaw University of Life Sciences, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University of Krakow University of Economics, Poznan University of Economics, Wroclaw University of Economics, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan and the University of Zielona Gora. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on December 18, 2023 at 5:30 p.m. The seminar will be attended by prof. Maciek Nowak from The Peter J. Tobin College of Business, St. John's University. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - November 20, 2023, (2023-11-27) The Mathematical Virtual Seminar in Operations Research was held on Monday, November 20, 2023. Scientists from the Poznan University of Life Sciences, Maria Curie-Sklodowska University in Lublin and the Warsaw School of Economics presented papers at the seminar: • Dr. Romana Glowicka-Woloszyn, Dr. Andrzej Woloszyn (Poznan University of Life Sciences) – Proposed inequality measure for spatially related objects • Dr. Milena Bieniek (Maria Curie-Sklodowska University in Lublin), prof. Tomasz Szapiro (Warsaw School of Economics) – Optimal decisions in supply chain contracts with returns The duties of moderator of the seminar discussion were taken up by prof. Ewa Roszkowska. The discussion was attended by: prof. Tomasz Szapiro, prof. Ewa Konarzewska-Gubala, prof. Pawel Szewczyk, prof. Ignacy Kaliszewski, Dr. Romana Glowicka-Woloszyn and Dr. Milena Bieniek. The seminar was held for the 27th time. It was attended by 54 scientists and practitioners - representatives of 22 academic centers from all over Poland. The following were represented: Collegium of Witelon in Legnica, Institute of Systems Research of the Polish Academy of Sciences, Institute of Communications - National Research Institute, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan University of Economics in Wroclaw, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Gdansk, WSB University Merito in Poznan, WSB Merito University in Wroclaw and West Pomeranian University of Technology in Szczecin. The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on December 4, 2023 at 5:30 p.m. The seminar will be led by prof. Tadeusz Trzaskalik from the University of Economics in Katowice. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - September 25, 2023, (2023-10-03) On Monday, September 25, 2023, the Indiansummer Virtual Seminar in Operations Research was held. Scientists from the University of Economics in Katowice presented papers at the seminar: • Dr. Anna Gorczyca-Goraj – Complexity of operators' decision-making processes in the face of energy transformation challenges • Marek Czekajski, MA – Behavioral group decision support in the process of creating complex cultural tourism products. The case of the post-industrial heritage of the city of Czeladz The duties of moderator of the seminar discussion were taken up by prof. Ewa Roszkowska. The speakers were presented by prof. Maciej Nowak and prof. Tomasz Wachowicz. The discussion was attended by: prof. Ewa Konarzewska-Gubala, prof. Jerzy Marcinkowski, prof. Andrey Grishkevich, prof. Wojciech Salabun, Dr. Anna Gorczyca-Goraj, Dr. Krzysztof Dmytrow and Marek Czekajski, M.A. The seminar was held for the 26th time. It was attended by 49 scientists and practitioners - representatives of 20 academic centers from all over Poland and abroad. The following were represented: CAE Poland, Institute of Communications - National Research Institute, Bialystok University of Technology, Warsaw School of Economics, Université du Québec, University of Bialystok, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, University of Information Technology and Management in Rzeszow and West Pomeranian University of Technology in Szczecin . The WSBO online host was the WSB Merito University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will be held online on November 20, 2023 at 5:30 p.m. Lectures will be presented at the seminar by employees of the Poznan University of Life Sciences and the Maria Curie-Sklodowska University in Lublin. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - June 5, 2023, (2023-06-13) On Monday, June 5, 2023, the Algorithmic Virtual Seminar of Operations Research was held. At the seminar, scientists from the University of Szczecin presented papers: • Krzysztof Dmytrow, PhD – Multi-criteria support for location selection in the process of picking goods - results of simulation studies • Konrad Biercewicz, MA - The use of algorithms for detecting psychophysiological factors to increase the degree of involvement of computer game participants The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Bogumil Kaminski, prof. Ewa Konarzewska-Gubala, prof. Wojciech Salabun, Kateryna Czerniachowska, MA, Krzysztof Dmytrow, PhD, prof. Wojciech Salabun, prof. Ewa Roszkowska, Przemyslaw Juszczuk, PhD and Konrad Biercewicz, MA. Prof. dr hab. Ewa Roszkowska invited all participants of the seminar to the XLI National Scientific Conference named after Professor Wladysław Bukietynski "Methods and Applications of Operations Research". Detailed information about the conference can be found at https://mzbo2023.wi.pb.edu.pl/. The seminar was held for the 25th time. It was attended by 60 scientists and practitioners - representatives of 21 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, Witelona Collegium in Legnica, Institute of Systems Research of the Polish Academy of Sciences, Institute of Telecommunications - National Research Institute, Bialystok University of Technology, Czestochowa University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, University of Economics in Poznan, University of Economics in Wroclaw, University of Lodz, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Gdansk, WSB Merito University in Poznan , and the West Pomeranian University of Technology in Szczecin. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will take place on-line on September 25, 2023 at 17:30. Lectures at the seminar will be given by employees of the University of Economics in Katowice. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - May 15, 2023, (2023-05-30) On Monday, May 15, 2023, the Chestnut Virtual Seminar of Operations Research took place. The seminar began with a celebration of the memory of Dr. Agata Gluzicka, a member of our scientific community dealing with operations research, who has participated in Virtual Operations Research Seminars many times, co-organized and actively participated in many MZBO and MPaR conferences. Dr Agata Gluzicka was remembered by prof. Ewa Roszkowska and prof. Maciej Nowak. Her kindness and kindness will remain in our memory. Papers prepared by scientists from the University of Economics and WSB Merito University in Poznan were presented at the seminar: • Aleksandra Wojcicka-Wojtowicz, PhD (Poznan University of Economics), Dr. Anna Lyczkowska-Hanckowiak (WSB Merito University in Poznan) - Efficiency of the stock portfolio in the case of multiple recommendations - the use of fuzzy number theory • dr hab. Helena Gaspars-Wieloch, prof. UEP (University of Economics in Poznan) - New potential applications of interactive programming based on aspiration levels - the case of pure and mixed strategies The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Wojciech Salabun, prof. Anna Pajor, prof. Tomasz Szapiro, prof. Ignacy Kaliszewski, prof. Ewa Roszkowska, dr Aleksandra Wojcicka-Wojtowicz, dr Anna Lyczkowska-Hanckowiak, prof. Tomasz Wachowicz, prof. Maciej Nowak and prof. Helena Gaspars-Wieloch. Prof. dr hab. Ewa Roszkowska invited all participants of the seminar to the XLI National Scientific Conference named after Professor Wladysław Bukietynski "Methods and Applications of Operations Research". Detailed information about the conference can be found at https://mzbo2023.wi.pb.edu.pl/. The seminar was held for the 24th time. It was attended by 52 scientists and practitioners - representatives of 22 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, CAE Poland, Institute of Systems Research of the Polish Academy of Sciences, Institute of Telecommunications - National Research Institute, Bialystok University of Technology, Silesian University of Technology, Wroclaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice , Cracow University of Economics, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University in Krakow, University of Lodz, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Poznan, WSB Merito University in Szczecin and the West Pomeranian University of Technology in Szczecin. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will take place on-line on June 5, 2023 at 17:30. At the seminar, lectures will be given by employees of the University of Szczecin. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - April 17, 2023, (2023-04-22) On Monday, April 17, 2023, the Wroclaw Virtual Seminar of Operations Research took place. At the seminar, scientists from the University of Economics in Wroclaw presented papers: • dr hab. Grzegorz Tarczynski, prof. UEW – Optimization of LPG gas supply routes to petrol stations • Aleksandra Szymura, MA – Application of machine learning methods in the process of evaluating capital companies The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Konrad Kulakowski and prof. Wojciech Salabun. Prof. dr hab. Ewa Roszkowska invited all participants of the seminar to the XLI National Scientific Conference named after Professor Wladysław Bukietynski "Methods and Applications of Operations Research". Detailed information about the conference can be found at https://mzbo2023.wi.pb.edu.pl/. The seminar was held for the 23rd time. It was attended by 51 scientists and practitioners - representatives of 22 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, CAE Polska, Institute of Telecommunications - National Research Institute, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, Cracow University of Economics, University Economics in Poznan, Wroclaw University of Economics, Jagiellonian University in Krakow, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, WSB Merito University in Chorzow, WSB Merito University in Gdansk , WSB Merito University in Poznan and WSB Merito University in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB Merito University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm • https://ksie.pan.pl/pl/konferencje The next WSBO will take place on-line on May 15, 2023 at 17:30. Lectures at the seminar will be given by employees of the Poznan University of Economics. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - March 6, 2023, (2023-03-12) On Monday, March 6, 2023, the 22nd Educational Virtual Seminar on Operations Research took place. At the seminar, scientists from the Nicolaus Copernicus University in Torun presented papers: • dr hab. Ewa Wedrowska, prof. NCU, Dr. Joanna Muszynska – The role of education and population age in shaping income inequality in Poland: decomposition of generalized measures of entropy • dr Dorota Gorecka – Sustainable development in the regions of Poland and Lithuania and the education of society The seminar was held for the 22nd time. It was attended by 52 scientists and practitioners - representatives of 22 academic centers from all over Poland. The following were represented: CAE Polska, Institute of Systems Research of the Polish Academy of Sciences, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Wroclaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, Cracow University of Economics, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University in Kraków, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, WSB in Chorzow, WSB in Gdansk, WSB in Poznan and the WSB in Szczecin. The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Pawel Szewczyk, prof. Tomasz Szapiro, prof. Jerzy Marcinkowski, prof. Ignacy Kaliszewski and prof. Ewa Konarzewska-Gubala. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will take place on-line on April 17, 2023 at 17:30. At the seminar, lectures will be given by employees of the Wrocław University of Economics. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - February 20, 2023, (2023-02-24) On Monday, February 20, 2023, the 21st February Virtual Seminar on Operations Research took place. At the seminar, scientists from the University of Life Sciences in Poznan and the Bialystok University of Technology presented papers: • dr Romana Glowicka-Woloszyn, dr Andrzej Woloszyn (University of Life Sciences in Poznan) - Asymmetry of the distribution of features and the range of synthetic measure values - results of simulation studies • Dr. Urszula Ryciuk (Bialystok University of Technology) – Ambidexterity of the supply chain The seminar was held for the 21st time. It was attended by 51 scientists and practitioners - representatives of 21 academic centers from all over Poland. Represented were: AGH University of Science and Technology in Krakow, CAE Polska, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, Université du Québec, University of Bialystok, University of Economics in Katowice, University of Economics in Kraków, University of Economics in Poznan , Wroclaw University of Economics, Jagiellonian University in Kraków, University of Lodz, Maria Curie-Sklodowska University, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, WSB in Chorzow, WSB in Gdansk, WSB in Poznan and the WSB in Szczecin. The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: dr Krzysztof Dmytrow, prof. Józef Stawicki, prof. Jerzy Marcinkowski, prof. Ewa Roszkowska, dr Slawomir Jarek, prof. Pawel Szewczyk, prof. Joanna Ejdys and prof. Ewa Konarzewska-Gubala. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will take place on-line on March 6, 2023 at 17:30. At the seminar, lectures will be given by employees of the Nicolaus Copernicus University in Torun. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2023 - January 9, 2023, (2023-01-16) On Monday, January 9, 2023, the 20th New Year's Virtual Seminar on Operations Research took place. At the seminar, scientists from the Department of Support and Decision Analysis of the Warsaw School of Economics presented papers: • Mateusz Zawisza, PhD – Impact of constrained rationality on the equilibrium of markets • Daniel Kaszynski, MA – Methods of fair assessment of creditworthiness The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Ewa Roszkowska, prof. Anna Pajor, prof. Konrad Kulakowski, prof. Bogumil Kaminski, prof. Tomasz Wachowicz and prof. Jerzy Marcinkowski. Prof. Tomasz Wachowicz from the Department of Operations Research at the University of Economics in Katowice invited participants to the 14th National Scientific Conference Preference Modeling and Risk, which will be held in Ustron on March 26-28, 2023, detailed information can be found at https://mpar.ue.katowice.pl. The seminar was held for the 20th time. It was attended by 50 scientists and practitioners - representatives of 21 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, Kalisz University, Bialystok University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, Cracow University of Economics, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University in Krakow, University of Lodz, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, University of Zielona Gora, WSB in Chorzow, WSB in Gdansk, WSB in Poznan, WSB in Szczecin and WSB in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will take place on-line on February 20, 2023 at 17:30. At the seminar, lectures will be given by employees of the Bialystok University of Technology and the University of Life Sciences in Poznan. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - December 12, 2022, (2022-12-19) On Monday, December 12, 2022, the Poznan Virtual Seminar on Operations Research was held. The following papers were presented at the seminar: • dr hab. Zbigniew Switalski, prof. UZ (University of Zielona Gora) – Gradual and interval relations in preference modeling • dr hab. Aleksandra Luczak, prof. UPP (Poznan University of Life Sciences), dr hab. Slawomir Kalinowski, prof. IRWiR PAN (Institute of Rural Development and Agriculture of the Polish Academy of Sciences) - "Not the rich one who has ducats" - about the multidimensional barometer of poverty and social exclusion The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Anna Pajor, prof. Ignacy Kaliszewski, prof. Bogumil Kaminski, prof. Jerzy Marcinkowski and prof. Kazimierz Zaras. Prof. Tomasz Wachowicz from the Department of Operations Research at the University of Economics in Katowice invited participants to the 14th National Scientific Conference Preference Modeling and Risk, which will be held in Ustron on March 26-28, 2023, detailed information can be found at https://mpar.ue.katowice.pl. The seminar was held for the 19th time. It was attended by 46 scientists and practitioners - representatives of 21 academic centers from all over Poland. The following were represented: Institute of System Research of the Polish Academy of Sciences, Institute of Rural and Agricultural Development of the Polish Academy of Sciences, Bialystok University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, Université du Québec, University of Bialystok, University of Economics in Katowice, University of Economics in Kraków, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University in Krakow, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, University of Zielona Gora, School of Banking in Chorzow , WSB University in Poznan and WSB University in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will take place on-line on January 9, 2023 at 17:30. At the seminar, lectures will be given by employees of the Department of Support and Decision Analysis of the Warsaw School of Economics. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - November 21, 2022, (2022-11-27) On Monday, November 21, 2022, under the honorary patronage of the Rector of the WSB University in Poznan, the Rector of the Bialystok University of Technology, the Operational Research Section of the KSiE PAN and the Polish INFORMS Section, the November Virtual Seminar on Operations Research was held. The following papers were presented at the seminar: • Dr. Janusz Miroforidis (Institute of Systems Research of the Polish Academy of Sciences) – Parametric Estimates of Effective Evaluations in Large-Scale Integer Optimization Problems • Bartłomiej Jefmanski, PhD (Wroclaw University of Economics), Marta Kusterka-Jefmanska, PhD (Wroclaw University of Economics) prof. dr hab. Ewa Roszkowska (Bialystok University of Technology) – Fuzzy intuitionistic synthetic measure in the dynamic analysis of the subjective quality of life of inhabitants of European cities The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Barbara Gladysz, prof. Ewa Roszkowska and prof. Ignacy Kaliszewski. The seminar was held for the 18th time. It was attended by 47 scientists and practitioners - representatives of 19 academic centers from all over Poland. The following were represented: Institute of Systems Research of the Polish Academy of Sciences, Bialystok University of Technology, Warsaw University of Technology, Wroclaw University of Technology, Warsaw School of Economics, University of Bialystok, University of Economics in Katowice, Cracow University of Economics, Poznan University of Economics, Wroclaw University of Economics, Jagiellonian University in Kraków, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, University of Zielona Gora, WSB University in Chorzow and WSB University in Poznan. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will take place on-line on December 12, 2022 at 17:30. Lectures at the seminar will be given by scientists of the University of Zielona Gora, the University of Life Sciences in Poznan and the Institute of Rural and Agricultural Development of the Polish Academy of Sciences. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - September 26, 2022, (2022-10-05) On Monday, September 26, 2022, the Autumn Virtual Seminar on Operations Research was held. At the seminar, the papers were presented by scientists from the University of Economics in Poznan and the University of Life Sciences in Poznan: • dr hab. Marcin Anholcer, prof. UEP - About b-coloring, or how to quickly find a good approximation to correct coloring • dr hab. Krzysztof Echaust, prof. UEP, dr Malgorzata Just - Three reasons why cryptocurrencies cannot be a safe haven for investments in capital markets The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Bogumil Kaminski, prof. Tomasz Szapiro and dr Przemyslaw Szufel. Prof. dr hab. Maciej Nowak, Head of the Department of Operational Research at the University of Economics in Katowice, invited all participants to the XL Polish National Scientific Conference. Professor Wladyslaw Bukietynski "Methods and Applications of Operational Research", which will be held on October 16-18, 2022 in Brenna, for details see https://mzbo.ue.katowice.pl The seminar was held for the 17th time. 29 scientists and practitioners - representatives of 15 academic centers from all over Poland participated in it. The following were represented: AGH University of Science and Technology in Krakow, Bialystok University of Technology, Czestochowa University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, the Nicolaus Copernicus University in Torun, the University of Life Sciences in Poznan, the University of Szczecin, the School of Banking in Chorzow and the School of Banking in Poznan. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held on-line on November 21, 2022 at 17:30. At the seminar, lectures will be presented by employees of the Institute of Scientific Research of the Polish Academy of Sciences, Wroclaw University of Economics and Bialystok University of Technology. If you are interested in participating, please contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - June 13, 2022, (2022-06-19) On Monday, June 13, 2022, the Summer Virtual Seminar on Operations Research was held. At the seminar, the papers were presented by scientists from the Department of Econometrics and Operations Research at the University of Economics in Wroclaw: • mgr Patrycja Krzywda-Starzyk - Educational surplus - the current state of knowledge about the phenomenon in European countries • dr Piotr Peternek, dr hab. Magdalena Ligus prof. UEW - Analysis of the technical potential and institutional environment of RES in Polish voivodeships in the context of the construction of the index of sustainable energy development of regions The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Marek Nowinski, dr Adam Kucharski, prof. Tomasz Szapiro, dr Malgorzata Wrzosek, prof. Ewa Konarzewska-Gubala, prof. Józef Stawicki, prof. Agnieszka Kowalska-Styczen, prof. Wiesława Przybylska-Kapuscinska, dr Milena Bieniek, dr Piotr Miszczynski, prof. Joanna Gorka and prof. Alicja Graczyk. Prof. dr hab. Maciej Nowak, Head of the Department of Operational Research at the University of Economics in Katowice, invited all participants to the XL Polish National Scientific Conference of Professor Wladysław Bukietynski "Methods and Applications of Operational Research", which will be held on October 16-18, 2022 in Brenna, detailed information can be found at https://mzbo.ue.katowice.pl. The seminar was held for the 16th time. 53 scientists and practitioners - representatives of 20 academic centers from all over Poland participated in it. The following were represented: Institute of Systems Research of the Polish Academy of Sciences, Bialystok University of Technology, Czestochowa University of Technology, Silesian University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB Universityin Chorzow, WSB University in Gdansk, WSB University in Poznan and WSB University in Torun. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Białystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held online on September 26, 2022 at 5:30 PM. At the seminar, lectures will be presented by the employees of the Department of Operations Research and Mathematical Economics at the University of Economics in Poznan. People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - May 23, 2022, (2022-05-26) On Monday, May 23, 2022, the Transport Virtual Seminar on Operations Research was held. At the seminar, the papers were presented by scientists from the Department of Operations Research at the University of Lodz: • dr Aleksandra Bartosiewicz - Analysis and evaluation of reloading processes in sea container terminals using the queue theory • dr Radoslaw Jadczak - Models for arranging vehicle routes The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Wieslawa Przybylska-Kapuscinska, prof. Joanna Erdys, prof. Bogumil Kaminski, prof. Tomasz Szapiro, prof. Jozef Stawicki, prof. Konrad Kulakowski, dr Przemyslaw Szufel and mgr Adam Mrozek. The seminar was held for the 15th time. 54 scientists and practitioners - representatives of 19 academic centers from all over Poland participated in it. The following were represented: AGH University of Science and Technology in Krakow, Bialystok University of Technology, Czestochowa University of Technology, Silesian University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, Poznan University of Life Sciences, University of Szczecin, School of Banking in Chorzow, WSB University in Poznan and WSB University in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Białystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held on-line on May 23, 2022 at 5:30 PM. At the seminar, the lectures will be presented by the employees of the Department of Operations Research at the University of Lodz. People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - April 25, 2022, (2022-04-29) On Monday, April 25, 2022, a Sustainable Virtual Operations Research Seminar was held. At the seminar, the papers were presented by scientists from the Department of Applied Informatics and Mathematics in Economics at the Nicolaus Copernicus University in Torun: • dr Dorota Gorecka - Multi-criteria evaluation of the implementation of the concept of sustainable development on the territory of the Polish-Belarusian-Ukrainian borderland using the MAMIMCA approach • dr hab. Slawomir Plaskacz, prof. UMK - On determining the optimal size of marine reserves in terms of the size of catches The duties of the moderator of the seminar discussion were taken by prof. dr hab. Ewa Roszkowska. The discussion was attended by: prof. Ewa Roszkowska, prof. Tomasz Szapiro, prof. Tadeusz Trzaskalik and dr Jan Gadomski. 57 scientists and practitioners - representatives of 18 academic centers from all over Poland participated in the seminar. The following were represented: AGH University of Science and Technology in Krakow, Institute of Systems Research of the Polish Academy of Sciences in Warsaw, Bialystok University of Technology, Warsaw University of Technology, Wroclaw University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB University in Chorzw and WSB University in Poznan. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held on-line on May 23, 2022 at 5:30 PM. At the seminar, the lectures will be presented by the employees of the Department of Operations Research at the University of Lodz. People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - March 28, 2022, (2022-03-31) On March 28, 2022, the Reconnaissance Virtual Seminar on Operations Research was held. At the seminar, the papers were presented by scientists from the Department of Analysis and Decision Support at the Warsaw School of Economics: • dr hab. Michal Jakubczyk, prof. SGH - Increasing the sensitivity of the COMPOSITE TIME TRADE-OFF method in assessing the utility of health states • Marek Antosiewicz, MSc - Distribution Effects of Emission Taxation in a Coal-Based Economy: The Case of Poland The duties of the moderator of the seminar discussion were taken by prof. dr hab. Bogumil Kaminski. The discussion was attended by: prof. Ewa Roszkowska, prof. Bogumil Kaminski, prof. Tomasz Szapiro, prof. Jacek Mercik and prof. Konrad Kulakowski. 40 scientists and practitioners - representatives of 17 academic centers from all over Poland participated in the seminar. The following were represented: AGH University of Science and Technology in Krakow, Bialystok University of Technology, Saber S.A., Warsaw School of Economics, University of Economics in Katowice, University of Economics in Kraków, University, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, School of Banking in Chorzow, WSB University in Poznan and WSB University in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. dr hab. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held online on April 25, 2022 at 5:30 PM. At the seminar, lectures will be presented by the employees of the Department of Applied Computer Science and Mathematics in Economics at the Nicolaus Copernicus University in Torun. People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - February 21, 2022, (2022-02-23) On Monday, February 21, 2022, the Paprykarzowe Virtual Seminar on Operations Research was held. At the seminar, the paper was presented by a scientist from the University of Szczecin: • dr inz. Pawel Ziemba - Development and application of multi-criteria decision support methods in decision-making problems of sustainability The duties of the moderator of the seminar discussion were undertaken by dr hab. Ewa Roszkowska, prof. PB. The discussion was attended by: prof. Ewa Roszkowska, prof. Ewa Konarzewska-Gubala, prof. Tomasz Szapiro, prof. Arnold Bernaciak and dr Krzysztof Dmytrow. The seminar was attended by 57 scientists and practitioners - representatives of 18 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Krakow, System Research Institute of the Polish Academy of Sciences, Bialystok University of Technology, Warsaw University of Technology, Wroclaw University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB University in Chorzow, WSB University in Poznan and WSB University in Szczecin. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by dr hab. Ewa Roszkowska, prof. PB and dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also published on the websites: • https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 • http://www.sbo.pan.org.pl/wsbo.htm The next WSBO will be held on-line on March 28, 2022 at 17:30. At the seminar, lectures will be presented by employees of the Department of Analysis and Decision Support at the Warsaw School of Economics. People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2022 - January 17, 2022, (2022-01-21) On Monday, January 17, 2022, the January Virtual Seminar on Operations Research was held. At the seminar, scientists from the University of Economics in Katowice and the Warsaw University of Technology presented papers: • Łukasz Tync, MA - Object-oriented approach to project portfolio management • dr hab. Grzegorz Rzadkowski, prof. PW - Logistic wavelets and their applications The duties of the moderator of the seminar discussion were undertaken by Professor Ewa Roszkowska from the Białystok University of Technology. Professors Paweł Cabała, Bogumił Kamiński, Józef Stawicki and doctor Adam Kucharski took part in the discussion. The seminar was attended by 50 scientists and practitioners - representatives of 20 academic centers from all over Poland. The following were represented: AGH University of Science and Technology in Kraków, System Research Institute of the Polish Academy of Sciences, Białystok University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Kraków, University of Economics in Poznań, University of Economics in Wrocław, University of Economics in Białystok, University of Łódź, Maria Curie-Skłodowska University in Lublin, Nicolaus Copernicus University in Toruń, University of Opole, University of Life Sciences in Poznań, University of Szczecin, University of Silesia in Katowice, School of Banking in Chorzów, School of Banking in Poznań and University of Banking Bankowa in Wrocław. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Białystok University of Technology and dr Anna Łyczkowska-Hanćkowiak from the WSB University in Poznań. Information about the seminar was also posted on the website: https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 The next WSBO will be held on-line on February 21, 2022 at 17:30. At the seminar, an employee of the Department of Decision Support Methods and Cognitive Neuroscience at the University of Szczecin will present a lecture: • dr inż. Paweł Ziemba, Supporting decisions in the field of sustainable development in conditions of uncertainty People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - December 13, 2021, (2021-12-16) On Monday, December 13, 2021, the Virtual Seminar on Operational Research WSBO 2021 took place. At the seminar, scientists from the University of Life Sciences in Poznan and the Institute of Rural Development and Agriculture of the Polish Academy of Sciences presented papers: • dr hab. Aleksandra Luczak, prof. UPP, Slawomir Kalinowski, prof. IRWiR PAN - Methodical problems of researching subjective poverty in households • dr hab. Aleksandra Luczak, prof. UPP, dr Malgorzata Just - Quantification of sustainable development of territorial units - current state and future research The duties of the moderator of the seminar discussion were undertaken by Professor Ewa Roszkowska from the Bialystok University of Technology. Professors Tomasz Szapiro, Józef Orczyk, Renata Przygodzka and doctor Pawel Ziemba took part in the discussion. 57 scientists and practitioners - representatives of academic centers from all over Poland participated in the seminar. The following were represented: AGH University of Science and Technology in Kraków, System Research Institute of the Polish Academy of Sciences, Institute of Rural and Agricultural Development of the Polish Academy of Sciences, Bialystok University of Technology, Warsaw University of Technology, Saber SA, Warsaw School of Economics, University of Economics in Katowice, University, Poznan University of Economics, University of Economics Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB University in Chorzow and WSB University in Poznan. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by prof. Ewa Roszkowska from the Bialystok University of Technology and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also posted on the website: https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 The next WSBO will be held online on January 17, 2022 at 5:30 PM. The following lectures will be presented at the seminar by employees of the University of Economics in Katowice: • Lukasz Tync, MA, Object-oriented approach in project portfolio management • MSc. Dariusz Banas, A hybrid model of supporting managerial decisions combining system dynamics and soft system dynamics People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - November 15, 2021, (2021-11-24) On Monday, November 15, 2021, the Arras Virtual Seminar on Operational Research WSBO 2021 was held under the Honorary Patronage of the Rector of the WSB University in Poznan and the Operational Research Section of KSIE PAN. At the seminar, scientists from the AGH University of Science and Technology in Kraków and the Bialystok University of Technology presented papers: • dr hab. Konrad Kulakowski, prof. AGH (AGH University of Science and Technology, Department of Applied Computer Science) - HRE (Heuristic Rating Estimation) a different approach to the pairwise comparison method • dr Dariusz Kacprzak (Bialystok University of Technology) - New extension of the TOPSIS method for group decision support based on directed fuzzy numbers Professor Tomasz Wachowicz from the University of Economics in Katowice took over the duties of the moderator of the seminar discussion. Professors Tomasz Wachowicz, Józef Stawicki and Marcin Anholcer took part in the discussion. 53 scientists and practitioners - representatives of academic centers from all over Poland participated in the seminar. The following were represented: AGH University of Science and Technology in Kraków, System Research Institute of the Polish Academy of Sciences, Bialystok University of Technology, Warsaw University of Technology, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz , Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Life Sciences in Poznan, University of Szczecin, WSB University in Chorzow, WSB University in Poznan and WSB University in Wroclaw. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. Information about the seminar was also posted on the website: https://www.wsb.pl/poznan/badania-i-nauka/seminarium-z-badan-operacyjnych-0 The next WSBO will be held online on December 13 at 17:30. The following lectures will be presented at the seminar by employees of the University of Life Sciences in Poznan and the Institute of Rural and Agricultural Development of the Polish Academy of Sciences: • dr hab. Aleksandra Luczak, prof. UPP, Slawomir Kalinowski, prof. IRWiR PAN - Methodical problems of researching subjective poverty in households • dr hab. Aleksandra Luczak, prof. UPP, dr Malgorzata Just - Quantification of sustainable development of territorial units - current state and future research People interested in participating should contact at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - September 27, 2021, (2021-09-29) On Monday, September 27, 2021, the Autumn Virtual Seminar on Operations Research WSBO 2021 was held under the honorary patronage of the Rector of the WSB University in Poznań and the Operational Research Section of the Polish Academy of Sciences. The seminar began with the memory of the organizer of the earlier WSBO - Professor Krzysztof Piasecki, who passed on 07/14/2021 The seminar for prof. Krzysztof Piasecki, very important, significantly contributing to the integration of the environment focused around broadly understood operational research and its applications, will be continued. Professor Ewa Roszkowska from the Białystok University of Technology agreed to provide scientific care for the next WSBO. At the seminar, scientists from the Department of Operations Research at the University of Economics in Katowice presented papers: • prof. dr hab. Marek Szopa - Optimization of decisions using quantum game theory methods, • dr hab. Jerzy Michnik, prof. UE, Algebraic modeling of system evolution - AlModES. The duties of the moderator of the seminar discussion were undertaken by professor Maciej Nowak. Professors Józef Stawicki, Tomasz Szapiro and Marek Nowiński took part in the discussion. v 34 scientists and practitioners - representatives of academic centers from all over Poland participated in the seminar. The following were represented: AGH University of Science and Technology in Kraków, Białystok University of Technology, Warsaw University of Technology, Saber Polska Sp. z o. o., Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, University of Economics in Poznań, University of Economics in Wrocław, University of Białystok, University of Łódź, Nicolaus Copernicus University in Toruń, University of Life Sciences in Poznań, Military University of Technology in Warsaw, the WSB University in Chorzów and the WSB University in Poznan The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by Anna Łyczkowska-Hanćkowiak from the WSB University in Poznań. On October 24-26, 2021 in Będlewo, we meet at the XXXIX Polish National Conference Prof. Władysław Bukietyński, Methods and Applications of Operational Research '20 / 21. The next WSBO will be held on-line in November 2021. We will provide detailed information about this meeting in November. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - June 21, 2021, (2021-06-21) On Monday, June 21, 2021, under the Honorary Patronage of the Operations Research Section of the Polish Academy of Sciences, the Strawberry Virtual Seminar on Operations Research WSBO 2021 was held. At this seminar, scientists from the Department of Econometrics and Operations Research of the University of Economics in Wroclaw presented papers: • dr hab. Daniel Puciato, prof. PO - Socio-economic correlates of health-related quality of life in people living alone in Wrocław • dr hab. Agnieszka Stanimir, prof. UEW - Growing environmental awareness and household financial burdens. The duties of the moderator of the seminar discussion were undertaken by Professor Marek Nowinski. The ecological contexts of the presented papers sparked a stormy discussion with professors Jozef Stawicki, Jerzy Marcinkowski and Krzysztof Piasecki. In addition to comments on the presented results, the debaters shared their views on this vital issue. It is also worth noting that the subject matter of the presented papers indicates the broad spectrum of scientific research conducted in our Operational Research centers. Despite the prevailing culture, 35 scientists and practitioners - representatives of academic centers from all over Poland participated in the seminar. The following were represented: Institute of System Research of the Polish Academy of Sciences in Warsaw, Warsaw University of Life Sciences, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Silesia in Katowice, Bialystok University of Technology, Opole University of Technology, Wroclaw University of Technology, University of Life Sciences in Poznan, and WSB Univeristy in Poznan. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by Professor Krzysztof Piasecki and dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held online in September 2021. This seminar will be attended by scientists from the Department of Operations Research at the University of Economics in Katowice. We will provide detailed information about this meeting in September. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - May 17, 2021, (2021-05-19) On Monday, May 17, 2021, under the Honorary Patronage of the Operations Research Section of the Polish Academy of Sciences, the Green Virtual Seminar on Operations Research WSBO 2021 was held. At this seminar, employees of the Department of Decision Support Methods and Cognitive Neuroscience of the University of Szczecin presented the following papers: • dr inż. Mateusz Piwowarski: Presentation • dr hab. Mariusz Borawski, prof. US, Arithmetic of increments Professor Kesra Nermend took over the seminar discussion moderator. The information on cognitive neuroscience as a new tool supporting decision-making processes was very interesting here. This creates new challenges for operations research. In the discussion after the second lecture, Professor Krzysztof Piasecki took the floor. 43 scientists and practitioners - representatives of academic centers from all over Poland participated in the seminar. The online host of WSBO was - traditionally - the WSB University in Poznan. The seminar was organized by Professor Krzysztof Piasecki and dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held on-line on June 21 at 5:00 p.m. CET. This seminar will be attended by scientists from the Department of Econometrics and Operations Research at the University of Economics in Wroclaw, who will present papers: • dr hab. Agnieszka Stanimir, prof. UEW - Growing environmental awareness and household financial burdens. • dr hab. Daniel Puciato - Socio-economic correlates of health-related quality of life in single people from Wroclaw People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - April 19, 2021, (2021-04-19) On Monday, April 19, 2021, under the Honorary Patronage of the Operations Research Section of the Polish Academy of Sciences, the Spring Virtual Seminar on Operations Research WSBO 2021 was held. At this seminar, employees of the Department of Operations Research at the Faculty of Economics and Sociology of the University of Lodz presented the following papers: • prof. Ivan Blahun: On scenario modeling of sustainable development • dr Adam Kucharski: Project management methods in the R environment - critpath package • dr hab. Iwona Konarzewska, prof. UŁ: Multi-criteria indicators with the use of PCA The duties of the moderator of the seminar discussion were taken by professor Iwona Konarzewska and professor Krzysztof Piasecki. The last paper provoked a particularly extensive discussion. The following spoke here: professor Kaliszewski, professor Zaras, mgr Adam Mrozek and professor Krzysztof Piasecki. 49 scientists and practitioners - representatives of academic centers from all over Poland, Ukraine and Canada participated in the seminar. The following were represented: AGH University of Science and Technology in Krakow, System Research Institute of the Polish Academy of Sciences, Warsaw University of Life Sciences, Warsaw School of Economics, University of Economics in Katowice, University of Economics in Poznan, University of Economics in Wroclaw, University of Bialystok, University of Opole, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, Université du Québec, University of Silesia in Katowice, Bialystok University of Technology, University of Life Sciences in Poznan, WSB University in Chorzow, WSB University in Poznan, WSB University in Wroclaw. The online host of WSBO was - traditionally - WSB Univeristy in Poznan. The seminar was organized by Professor Krzysztof Piasecki and Dr. Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held on-line on May 17 at 5 p.m. CET. This seminar will be attended by employees of the Department of Decision Support Methods and Cognitive Neuroscience of the University of Szczecin, who will present their department and present a paper • dr hab. Mariusz Borawski, prof. US, Arithmetic of increments. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . dt> Virtual Seminar in Operations Research WSBO 2021 - February 22, 2021, (2021-02-27) On Monday, February 22, 2021, under the Honorary Patronage of the Operations Research Section of the Polish Academy of Sciences, the “Kartaczowe” Virtual Seminar on Operations Research WSBO 2021 was held. At the seminar, dr Elzbieta Majewska - an employee of the Department of Quantitative Methods of the Faculty of Economics and Finance of the University of Bialystok, gave a lecture entitled Integration of European capital markets in the face of financial crises. The lecture encouraged the participants to start a discussion in which professor Jerzy Marcinkowski, professor Marek Nowinski and dr Piotr Miszczynski spoke. The duties of the moderator of the seminar discussion were undertaken by professor Ewa Roszkowska. the professor has also prepared a photo e-album presenting the magic of Podlasie region. Each seminar participant was gifted with this album. The seminar was attended by 50 scientists and practitioners - representatives of academic centers from all over Poland and Canada. The following were represented: Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, Poznan University of Economics and Business, Wroclaw University of Economics, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Szczecin, Université du Québec, Bialystok University of Technology, Poznan University of Life Sciences and WSB University in Poznan The seminar was organized by Professor Krzysztof Piasecki and dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held online on April 19, 2021, at 17:00 CET. We will provide the exact date in the next announcement. This seminar will be presented by employees of the Department of Operational Research at the University of Lodz. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2021 - January 4, 2021, (2021-01-04) On Monday, January 4, 2021, the New Year's Virtual Seminar on Operational Research WSBO 2021 was held under the Honorary Patronage of the Operational Research Section of KSIE PAN. At the seminar, Dr. Milena Bieniek, an employee of the Maria Curie-Skłodowska University in Lublin, gave a lecture entitled Influence of demand uncertainty on supply chain modeling with emphasis on additive uncertainty This lecture encouraged many participants to make extensive presentations. The discussion was attended by professor Józef Stawicki, professor Tomasz Szapiro, professor Stefan Grzesiak and Mr. Adam Mrozek. Professor Tomasz Szapiro was a particularly insightful and inquisitive debater. Professor Krzysztof Piasecki took over the duties of the moderator of the seminar discussion. Despite the holiday period leading to rest, the seminar was very popular. 42 scientists and practitioners - representatives of academic centers from all over Poland participated in it. The following were represented: the System Research Institute of the Polish Academy of Sciences, Saber Polska Sp. z o. o., Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, Poznan University of Economics and Business, Wroclaw University of Economics, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Opole, University of Szczecin, University of Silesia, Bialystok University of Technology, Wroclaw University of Technology, University of Life Sciences in Poznan and WSB University in Poznan. The seminar was organized by professor Krzysztof Piasecki and dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held on-line on February 22, 2021 at 17.00. During this seminar, employees of the Department of Quantitative Methods, Faculty of Economics and Finance, University of Bialystok, will present the following lectures: dr Skrodzka Iwona - Application of PLS-SEM models to research innovation in European Union countries; dr Elzbieta Majewska - Integration of European capital markets in the face of financial crises. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2020 - December 21, 2020, (2020-12-21) On Monday, December 21, 2020, the “Gingerbread” Virtual Seminar on Operational Research WSBO 2020 took place. The chairman of the Operational Research Section of the Statistics and Econometrics Committee of the Polish Academy of Sciences proposed to the organizers to take the Section's patronage over the WSBO. This proposal was accepted by the organizers. At this seminar, employees of the Department of Applied Computer Science and Mathematics in Economics at the Nicolaus Copernicus University in Torun gave the following lectures: 1.professor Sylwester Bejger - Machine learning in decision making, 2.professor Witold Orzeszko - Forecasting the covariance of rates of return using the Support Vector Machine, 3. professor Józef Stawicki - Diploma seminars on quantitative methods of economics and management - problems and experiences. The lectures were accompanied by a lively discussion. Professor Sylwester Bejger was the moderator of the seminar discussion. The seminar was very popular. 55 scientists and practitioners - representatives of academic centers from all over Poland participated in it. The following were represented: the System Research Institute of the Polish Academy of Sciences, Saber Polska Sp. z o. o., Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, Poznan University of Economics and Business, Wroclaw University of Economics, University of Bialystok, University of Lodz, Maria Curie-Sklodowska University in Lublin, Nicolaus Copernicus University in Torun, University of Opole, University of Szczecin, Bialystok University of Technology, Czestochowa University of Technology, Poznan University of Technology, Warsaw University of Technology, Poznan University of Life Sciences, PWSB University in Poznan, WSB University in Wroclaw, WSB University in Chorzów, WSB University in Szczecin. The seminar was organized by professor Krzysztof Piasecki and dr Anna Lyczkowska-Hanckowiak from the WSB University in Poznan. The next WSBO will be held on-line on January 4, 2021 at 17.00. At this seminar, Dr. Milena Bieniek from the Maria Skłodowska-Curie University in Lublin will give a lecture Negative fulfillment of demand in models based on the newsboy model. The doctor will also invite us to participate in her research. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . Virtual Seminar in Operations Research WSBO 2020 - November 16, 2020, (2020-11-16) On Monday, November 16, 2020, the Inaugural Virtual Seminar in Operations Research WSBO 2020 took place. During this seminar, employees of the Department of Support and Decision Analysis of the Warsaw School of Economics gave the following lectures: • dr Przemysław Szufel, mgr Łukasz Kraiński - About multi-agent simulation models of intelligent transport networks • professor Tomasz Szapiro - Information on teaching operations research at the Warsaw School of Economics. Professor Bogumił Kamiński was the moderator of the seminar discussion. The seminar was very popular. 39 scientists and practitioners - representatives of academic centers from all over Poland participated in it. The following were represented: the System Research Institute of the Polish Academy of Sciences, Saber Polska Sp. z o. o., SGH Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, Poznan University of Economics and Business, Wroclaw University of Economics, University of Bialystok, University of Lodz, Nicolaus Copernicus University in Torun, University of Opole, University of Szczecin, Bialystok University of Technology , Wroclaw University of Technology, Poznan University of Life Sciences, WSB University in Poznan, WSB University in Wroclaw. The seminar was organized by professor Krzysztof Piasecki and dr Anna Łyczkowska-Hanćkowiak from the WSB University in Poznan. The next WSBO will be held on-line on December 21, 2020 at 17.00. During this seminar, employees of the Department of Applied Computer Science and Mathematics at the Nicolaus Copernicus University in Torun will present the following lectures: 1.professor Sylwester Bejger - Machine learning in decision making, 2.professor Witold Orzeszko - Forecasting the covariance of rates of return using the Support Vector Machine, 3. professor Józef Stawicki - Diploma seminars on quantitative methods of economics and management - problems and experiences. After his speech, Professor Józef Stawicki invites to a broad discussion on topics related to our diploma seminars. People interested in participating should contact us at mzbo2020@wsb.poznan.pl . The first Virtual Seminar on the Methods and Applications of Operations Research 2020 - "MZBO in the times of pestilence", (2020-10-12) On Monday, October 12, 2020, the First Virtual took place Seminar on Methods and Applications of Operations Research 2020 - "MZBO in times of pestilence". The meeting, organized by the WSB University in Poznań, was held under the patronage of the Rector of WSB University in Poznań, professor Józef Orczyk, and the Committee of Statistics and Econometrics of the Polish Academy of Sciences. The discussions began with a speech by the Rector, professor Józef Orczyk presenting the WSB University in Poznań and the emerging relations of the mainstream of the University's activity and quantitative methods supporting economy, finance and management. During the seminar, there were two panel discussions on teaching quantitative items in COVID-19 conditions. The first panel discussion was entitled “Learning content implemented under on-line conditions". The discussion was chaired by professor Krzysztof Piasecki from WSB in Poznań, a panel debaters were dr Grzegorz Tarczyński from the University of Economics in Wrocław, dr Przemysław Szufel from the Warsaw School of Economics and professor Tomasz Wachowicz from University of Economics in Katowice. The second panel discussion was entitled "Forms of teaching implemented under on-line conditions”. The discussion was chaired by professor Ewa Roszkowska from the University of Białystok, and the panel participants were professor Marcin Anholcer from the University Economics in Poznań, professor Grzegorz Bejger from the Nicolaus Copernicus University and dr Radosław Jadczak from the University of Lodz. The two panels were separated by a lecture: "University relations with the environment in conditions COVID 19 ”delivered by professor Tomasz Szapiro from the Warsaw School of Economics. After the panel discussions, a meeting of the INFORMS Polish Section took place. Chaired by professor Bogumił Kamiński from the Warsaw School of Economics. Subjects of discussions were formal matters and the lecture "The use of robust optimization methods in protection against floods ", delivered by Dr. Krzysztof Postek of Delft University of Technology. The whole Seminar ended with a meeting of the Operations Research Section Committee of Statistics and Econometrics of the Polish Academy of Sciences, chaired by the professor Tadeusz Trzaskalik. The seminar was very popular. There were participated over 60 scientists and practitioners - representatives of academic centers from all over Poland and abroad. The following were represented: Delf University of Technology, Systems Research Institute of Polish Academy of Sciences, State Higher Vocational School in Suwalki, SGH Warsaw School of Economics, University of Economics in Katowice, University of Economics in Krakow, Poznan University of Economics and Business, Wroclaw University of Economics, University of Bialystok, University of Lodz, Nicolaus Copernicus University in Torun, University of Opole, University of Szczecin, University of Silesia in Katowice, Bialystok University of Technology, Poznań University of Technology, Warsaw University of Technology, Wrocław University of Technology, Poznań University of Life Sciences, WSB University in Poznan. The seminar was organized by professor Krzysztof Piasecki and dr Anna Łyczkowska-Hanćkowiak from the WSB University in Poznan and dr inż. Michał Stasiak from the University Economics in Poznan. According to the participants opinion, the First MZBO Virtual Seminar fulfilled their expectations. Today we know that further such online scientific meetings will take place. We will call them 'Virtual Seminars of Opertions Research - WSBO'. Our seminars will be held under the patronage of the Operational Research Section of the Statistics and Econometrics Committee of the Polish Academy of Sciences. The coming November 16 this year at 5 pm we will be hosting our mates from Warsaw, who will present the results of their research. More information about this and the next WSBO can be found in current tab. We will also send information about WSBO by e-mail.

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