@article{MTMT:34512778, title = {Optimization methods and algorithms}, url = {https://m2.mtmt.hu/api/publication/34512778}, author = {Biró, Péter and Bozóki, Sándor and Király, Tamás and Kristály, Alexandru}, doi = {10.1007/s10100-023-00898-6}, journal-iso = {CEJOR}, journal = {CENTRAL EUROPEAN JOURNAL OF OPERATIONS RESEARCH}, volume = {32}, unique-id = {34512778}, issn = {1435-246X}, abstract = {Recent results of three areas, pickup and delivery, optimal mass transportation, matching under preferences are highlighted. The topics themselves have been selected from the active research fields of Hungarian Operations Research. We also provide a short summary of selected research results from the 34th Hungarian Operations Research Conference, held in Cegléd, Hungary, August 31–September 2, 2021.}, year = {2024}, eissn = {1613-9178}, pages = {1-9}, orcid-numbers = {Bozóki, Sándor/0000-0003-4170-4613; Király, Tamás/0000-0001-7218-2112} } @article{MTMT:34484769, title = {Bibliometric indices as a measure of performance and competitive balance in the knockout stage of the UEFA Champions League}, url = {https://m2.mtmt.hu/api/publication/34484769}, author = {Csató, László and Petróczy, Dóra Gréta}, doi = {10.1007/s10100-023-00896-8}, journal-iso = {CEJOR}, journal = {CENTRAL EUROPEAN JOURNAL OF OPERATIONS RESEARCH}, unique-id = {34484769}, issn = {1435-246X}, abstract = {We argue for the application of bibliometric indices to quantify the long-term uncertainty of outcome in sports. The Euclidean index is proposed to reward quality over quantity, while the rectangle index can be an appropriate measure of core performance. Their differences are highlighted through an axiomatic analysis and several examples. Our approach also requires a weighting scheme to compare different achievements. The methodology is illustrated by studying the knockout stage of the UEFA Champions League in the 20 seasons played between 2003 and 2023: club and country performances as well as three types of competitive balance are considered. Measuring competition at the level of national associations is a novelty. All results are remarkably robust concerning the bibliometric index and the assigned weights. Since the performances of national associations are more stable than the results of individual clubs, it would be better to build the seeding in the UEFA Champions League group stage upon association coefficients adjusted for league finishing positions rather than club coefficients.}, year = {2024}, eissn = {1613-9178}, orcid-numbers = {Csató, László/0000-0001-8705-5036; Petróczy, Dóra Gréta/0000-0002-8182-3791} } @article{MTMT:34267248, title = {Club coefficients in the UEFA Champions League: Time for shift to an Elo-based formula}, url = {https://m2.mtmt.hu/api/publication/34267248}, author = {Csató, László}, doi = {10.1080/24748668.2023.2274221}, journal-iso = {INT J PERF ANAL SPOR}, journal = {INTERNATIONAL JOURNAL OF PERFORMANCE ANALYSIS IN SPORT}, volume = {24}, unique-id = {34267248}, issn = {2474-8668}, year = {2024}, eissn = {1474-8185}, pages = {119-134}, orcid-numbers = {Csató, László/0000-0001-8705-5036} } @article{MTMT:34231363, title = {A lexicographically optimal completion for pairwise comparison matrices with missing entries}, url = {https://m2.mtmt.hu/api/publication/34231363}, author = {Ágoston, Kolos Csaba and Csató, László}, doi = {10.1016/j.ejor.2023.10.035}, journal-iso = {EJOR}, journal = {EUROPEAN JOURNAL OF OPERATIONAL RESEARCH}, volume = {314}, unique-id = {34231363}, issn = {0377-2217}, year = {2024}, eissn = {1872-6860}, pages = {1078-1086}, orcid-numbers = {Csató, László/0000-0001-8705-5036} } @article{MTMT:34214624, title = {How to choose a completion method for pairwise comparison matrices with missing entries: An axiomatic result}, url = {https://m2.mtmt.hu/api/publication/34214624}, author = {Csató, László}, doi = {10.1016/j.ijar.2023.109063}, journal-iso = {INT J APPROX REASON}, journal = {INTERNATIONAL JOURNAL OF APPROXIMATE REASONING}, volume = {164}, unique-id = {34214624}, issn = {0888-613X}, year = {2024}, eissn = {1873-4731}, orcid-numbers = {Csató, László/0000-0001-8705-5036} } @article{MTMT:34211716, title = {Tournament schedules and incentives in a double round‐robin tournament with four teams}, url = {https://m2.mtmt.hu/api/publication/34211716}, author = {Csató, László and Molontay, Roland and Pintér, József}, doi = {10.1111/itor.13391}, journal-iso = {INT TRANS OPERAT RES}, journal = {INTERNATIONAL TRANSACTIONS IN OPERATIONAL RESEARCH}, volume = {31}, unique-id = {34211716}, issn = {0969-6016}, abstract = {In a round‐robin tournament, a team may lack the incentive to win if its final rank does not depend on the outcome of the matches still to be played. This paper introduces a classification scheme to determine these weakly (where one team is indifferent) or strongly (where both teams are indifferent) stakeless matches in a double round‐robin contest with four teams. The probability that such matches arise can serve as a novel fairness criterion to compare and evaluate match schedules. Our approach is illustrated by the UEFA Champions League group stage. A simulation model is built to compare the 12 valid schedules for the group matches. Some schedules are shown to be dominated by other schedules. It is found that the strongest team should play at home in the last round against one of the middle teams, depending on the preferences of the tournament organiser. Choosing an optimal sequence of matches with respect to the proposed metric can help to avoid uninteresting matches.}, year = {2024}, eissn = {1475-3995}, pages = {1486-1514}, orcid-numbers = {Csató, László/0000-0001-8705-5036} } @article{MTMT:34150430, title = {Right-left asymmetry of the eigenvector method: A simulation study}, url = {https://m2.mtmt.hu/api/publication/34150430}, author = {Csató, László}, doi = {10.1016/j.ejor.2023.09.022}, journal-iso = {EJOR}, journal = {EUROPEAN JOURNAL OF OPERATIONAL RESEARCH}, volume = {313}, unique-id = {34150430}, issn = {0377-2217}, year = {2024}, eissn = {1872-6860}, pages = {708-717}, orcid-numbers = {Csató, László/0000-0001-8705-5036} } @article{MTMT:34135210, title = {On the coincidence of optimal completions for small pairwise comparison matrices with missing entries}, url = {https://m2.mtmt.hu/api/publication/34135210}, author = {Csató, László and Ágoston, Kolos Csaba and Bozóki, Sándor}, doi = {10.1007/s10479-023-05586-x}, journal-iso = {ANN OPER RES}, journal = {ANNALS OF OPERATIONS RESEARCH}, volume = {333}, unique-id = {34135210}, issn = {0254-5330}, abstract = {Incomplete pairwise comparison matrices contain some missing judgements. A natural approach to estimate these values is provided by minimising a reasonable measure of inconsistency after unknown entries are replaced by variables. Two widely used inconsistency indices for this purpose are Saaty’s inconsistency index and the geometric inconsistency index, which are closely related to the eigenvector and the logarithmic least squares priority deriving methods, respectively. The two measures are proven to imply the same optimal filling for incomplete pairwise comparison matrices up to order four but not necessarily for order at least five.}, keywords = {Decision analysis; analytic hierarchy process (AHP); D71; eigenvalue method; Incomplete pairwise comparisons; Logarithmic least squares method; C44; 90-10}, year = {2024}, eissn = {1572-9338}, pages = {239-247}, orcid-numbers = {Csató, László/0000-0001-8705-5036; Bozóki, Sándor/0000-0003-4170-4613} } @article{MTMT:33689281, title = {Characterising ranking stability in interval pairwise comparison matrices}, url = {https://m2.mtmt.hu/api/publication/33689281}, author = {Faramondi, L and Oliva, G and Setola, R and Bozóki, Sándor}, doi = {10.1080/23307706.2023.2179551}, journal-iso = {J CONTROL DECIS}, journal = {JOURNAL OF CONTROL AND DECISION}, unique-id = {33689281}, issn = {2330-7706}, year = {2024}, eissn = {2330-7714}, pages = {1-12}, orcid-numbers = {Faramondi, L/0000-0002-3750-2405; Oliva, G/0000-0001-7257-4079; Setola, R/0000-0002-8792-2520; Bozóki, Sándor/0000-0003-4170-4613} } @article{MTMT:33661090, title = {Incomplete pairwise comparison matrices: Ranking top women tennis players}, url = {https://m2.mtmt.hu/api/publication/33661090}, author = {Temesi, József and Szádoczki, Zsombor and Bozóki, Sándor}, doi = {10.1080/01605682.2023.2180447}, journal-iso = {J OPER RES SOC}, journal = {JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY}, volume = {75}, unique-id = {33661090}, issn = {0160-5682}, year = {2024}, eissn = {1476-9360}, pages = {145-157}, orcid-numbers = {Temesi, József/0000-0001-7045-5914; Szádoczki, Zsombor/0000-0003-2586-5660; Bozóki, Sándor/0000-0003-4170-4613} }