論文・受賞
国際共同研究
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Path cover problems with length cost
Kenya Kobayashi, Guohui Lin, Eiji Miyano, Toshiki Saitoh, Akira Suzuki, Tadatoshi Utashima, Tsuyoshi YagitaAlgorithmica, Vol. 85, pp. 3348-3375, 2023 -
On computing a center persistence diagram
Yuya Higashikawa, Naoki Katoh, Guohui Lin, Eiji Miyano, Suguru Tamaki, Junichi Teruyama, Binhai ZhuProc. of 24th International Symposium on Fundamentals of Computation Theory (FCT 2023), Lecture Notes in Computer Science, Vol. 14292, pp. 262-275, 2023 -
Hamiltonian cycle reconfiguration with answer set programming
Takahiro Hirate, Mutsunori Banbara, Katsumi Inoue, Xiao-Nan Lu, Hidetomo Nabeshima, Torsten Schaub, Takehide Soh, Naoyuki TamuraProc. of 18th European Conference on Logics in Artificial Intelligence (JELIA 2023), Lecture Notes in Artificial Intelligence, Vol. 14238, pp. 262-277, 2023 -
SAF: SAT-based attractor finder in asynchronous automata networks
Takehide Soh, Morgan Magnin, Daniel Le Berre, Mutsunori Banbara, Naoyuki TamuraProc. of 21st International Conference on Computational Methods in Systems Biology (CMSB 2023), Lecture Notes in Bioinformatics, Vol. 14173, pp. 175-183, 2023 -
Reconfiguration of the union of arborescences
Yusuke Kobayashi, Ryoga Mahara, Tamás SchwarczProc. of 34th International Symposium on Algorithms and Computation (ISAAC 2023), Leibniz International Proceedings in Informatics, Vol. 283, pp. 48:1-48:14, 2023 -
Feedback vertex set reconfiguration in planar graphs
Nicolas Bousquet, Felix Hommelsheim, Yusuke Kobayashi, Moritz Mühlenthaler, Akira SuzukiTheoretical Computer Science, Vol. 979, Article 114188, 2023 -
Reconfiguration of spanning trees with degree constraints or diameter constraints
Nicolas Bousquet, Takehiro Ito, Yusuke Kobayashi, Haruka Mizuta, Paul Ouvrard, Akira Suzuki, Kunihiro WasaAlgorithmica, Vol. 85, pp. 2779–2816, 2023 -
Fixed-parameter algorithms for graph constraint logic
Tatsuhiko Hatanaka, Felix Hommelsheim, Takehiro Ito, Yusuke Kobayashi, Moritz Mühlenthaler, Akira SuzukiTheoretical Computer Science, Vol. 959, Article 113863, 2023 -
Graphs with large total angular resolution
Oswin Aichholzer, Matias Korman, Yoshio Okamoto, Irene Parada, Daniel Perz, André van Renssen, Birgit VogtenhuberTheoretical Computer Science, Vol. 943, pp. 73-88, 2023 -
SAT-based method for finding attractors in asynchronous multi-valued networks
Takehide Soh, Morgan Magnin, Daniel Le Berre, Mutsunori Banbara, Naoyuki TamuraProc. of 16th International Joint Conference on Biomedical Enginnering Systems and Technologies, Vol. hal-03964870, 2023 -
Arithmetic progressions, quasi progressions, and Gallai-Ramsey colorings
Yaping Mao, Kenta Ozeki, Aaron Robertson, Zhao WangJournal of Combinatorial Theory, Series A, Vol. 193, Article 105672, 2023 -
Weight balancing on boundaries
Luis Barba, Otfried Cheong, Michael Gene Dobbins, Rudolf Fleischer, Akitoshi Kawamura, Matias Korman, Yoshio Okamoto, János Pach, Yuan Tang, Takeshi Tokuyama, Sander VerdonschotJournal of Computational Geometry, Vol. 13, Article 44573, 2022 -
Parameterized complexity of non-separating and non-disconnecting paths and sets
Ankit Abhinav, Susobhan Bandopadhyay, Aritra Banik, Yasuaki Kobayashi, Shunsuke Nagano, Yota Otachi, Saket SaurabhProc. of 47th International Symposium on Mathematical Foundations of Computer Science (MFCS 2022), Leibniz International Proceedings in Informatics, Vol. 241, pp. 6:1-6:15, 2022 -
Unlabeled multi-robot motion planning with tighter separation bounds
Bahareh Banyassady, Mark de Berg, Karl Bringmann, Kevin Buchin, Henning Fernau, Dan Halperin, Irina Kostitsyna, Yoshio Okamoto, Stijn SlotProc. of 38th International Symposium on Computational Geometry (SoCG 2022), Leibniz International Proceedings in Informatics, Vol. 224, pp. 12:1-12:16, 2022 -
Maximum properly colored trees in edge-colored graphs
Jie Hu, Hao Li, Shun-ichi MaezawaJournal of Combinatorial Optimization, Vol. 44, pp. 154-171, 2022 -
Decrease and reset for power-down
James Andro-Vasko, Wolfgang Bein, Hiro Ito, Shoji Kasahara, Jun KawaharaEnergy Systems, Vol. 14, pp. 445-471, 2021 -
The Alon-Tarsi number of K5-minor-free graphs
Toshiki Abe, Seog-Jin Kim, Kenta OzekiDiscrete Mathematics, Vol. 345, pp. 112764, 2022 -
Parameterized complexity of (A, l)-path packing
Rémy Belmonte, Tesshu Hanaka, Masaaki Kanzaki, Masashi Kiyomi, Yasuaki Kobayashi, Yusuke Kobayashi, Michael Lampis, Hirotaka Ono, Yota OtachiAlgorithmica, Vol. 84, pp. 871-895, 2022 -
Approximability of monotone submodular function maximization under cardinality and matroid constraints in the streaming model
Chien-Chung Huang, Naonori Kakimura, Simon Mauras, Yuichi YoshidaSIAM Journal on Discrete Mathematics, Vol. 36, pp. 355-382, 2022DOI: 10.1137/20M1357317 -
Path cover problems with length cost
Kenya Kobayashi, Guohui Lin, Eiji Miyano, Toshiki Saitoh, Akira Suzuki, Tadatoshi Utashima, Tsuyoshi YagitaProc. of 16th International Conference and Workshops on Algorithms and Computation (WALCOM 2022), Lecture Notes in Computer Science, Vol. 13174, pp. 396-408, 2022 -
Reconfiguration of spanning trees with degree constraint or diameter constraint
Nicolas Bousquet, Takehiro Ito, Yusuke Kobayashi, Haruka Mizuta, Paul Ouvrard, Akira Suzuki, Kunihiro WasaProc. of 39th International Symposium on Theoretical Aspects of Computer Science (STACS 2022), Leibniz International Proceedings in Informatics, Vol. 219, pp. 15:1-15:21, 2022 -
Multi-pass streaming algorithms for monotone submodular function maximization
Chien-Chung Huang, Naonori KakimuraTheory of Computing Systems, Vol. 66, pp. 354-394, 2022 -
On the security number of the Cartesian product of graphs
Marko Jakovac, Yota OtachiDiscrete Applied Mathematics, Vol. 304, pp. 119-128, 2021 -
Locating evacuation centers optimally in path and cycle networks
Robert Benkoczi, Binay Bhattacharya, Yuya Higashikawa, Tsunehiko Kameda, Naoki Katoh, Junichi TeruyamaProc. of 21st Symposium on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS 2021), Open Access Series in Informatics, Vol. 96, pp. 13:1-13:19, 2021 -
Dynamic bipartite matching market with arrivals and departures
Naonori Kakimura, Donghao ZhuProc. of 17th Conference on Web and Internet Economics (WINE 2021), Lecture Notes in Computer Science, Vol. 13112, pp. 544, 2021 -
On the complexity of fair house allocation
Naoyuki Kamiyama, Pasin Manurangsi, Warut SuksompongOperations Research Letters, Vol. 49, pp. 572-577, 2021 -
On 3-polytopes with non-Hamiltonian prisms
Daiki Ikegami, Shun-ichi Maezawa, Carol T. ZamfirescuJournal of Graph Theory, Vol. 97, pp. 569-577, 2021DOI: 10.1002/jgt.22672 -
Color number of cubic graphs having spanning tree with bounded number of leaves
Analen A. Malnegro, Gina A. Malacas, Kenta OzekiTheory and Applications of Graphs, Vol. 8, pp. Article 1, 2021 -
2-Factors of cubic bipartite graphs
Nastaran Haghparast, Kenta OzekiDiscrete Mathematics, Vol. 344, pp. 112357, 2021 -
ClusterSets: Optimizing planar clusters in categorical point data
Jakob Geiger, Sabine Cornelsen, Jan-Henrik Haunert, Philipp Kindermann, Tamara Mchedlidze, Martin Nöllenburg, Yoshio Okamoto, Alexander WolffComputer Graphics Forum, Vol. 40, pp. 471-481, 2021DOI: 10.1111/cgf.14322 -
Market pricing for matroid rank valuations
Kristof Berczi, Naonori Kakimura, Yusuke KobayashiSIAM Journal on Discrete Mathematics, Vol. 35, pp. 2662-2678, 2021DOI: 10.1137/20M1386335 -
Computing the largest bond and the maximum connected cut of a graph
Gabriel L. Duarte, Hiroshi Eto, Tesshu Hanaka, Yasuaki Kobayashi, Yusuke Kobayashi, Daniel Lokshtanov, Lehilton L. C. Pedrosa, Rafael C. S. Schouery, Uéverton S. SouzaAlgorithmica, Vol. 83, pp. 1421-1458, 2021