Sakuma Tadashi

Research field (4)： Basic mathematics , Information theory , Applied mathematics and statistics , Mathematical informatics

Research theme for competitive and other funds (10)：

2022 - 2026 Combinatorial structures on packing, covering, and configuration on hypergraphs
2018 - 2022 ブロッキング型及びアンチブロッキング型整数多面体の類似性と相違性に関する研究
2018 - 2019 A study of deformation operations of graphs
2014 - 2018 Research on similarity between blocking-type and anti-blocking-type polyhedra
2007 - 2011 ClutterのIdeal性についての『よい特徴付け』を目指して

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Papers (36)：

Yoshiaki Doi, Norio Konno, Tomoki Nakamigawa, Tadashi Sakuma, Etsuo Segawa, Hidehiro Shinohara, Shunya Tamura, Yuuho Tanaka, Kosuke Toyota. On the average hitting times of the squares of cycles. Discrete Applied Mathematics. 2022. 313. 18-28
Tatsuoki Kato, Tomoki Nakamigawa, Tadashi Sakuma. Pebble exchange group of graphs. European Journal of Combinatorics. 2021. 95. 103325-103325
Shinya Fujita, Boram Park, Tadashi Sakuma. Stable structure on safe set problems in vertex-weighted graphs. European Journal of Combinatorics. 2021. 91. 103211-103211
Kume, M., Miezaki, T., Sakuma, T., Shinohara, H. Tutte Polynomial, Complete Invariant, and Theta Series. Graphs and Combinatorics. 2020. 37. 1545-1558
Shinya Fujita, Boram Park, Tadashi Sakuma. Stable Structure on Safe Set Problems in Vertex-Weighted Graphs II -Recognition and Complexity-. In: Adler I., Müller H. (eds) Graph-Theoretic Concepts in Computer Science. WG 2020. Lecture Notes in Computer Science, vol 12301. Springer, Cham. 2020. 364-375

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MISC (1)：

Tadashi Sakuma. Risou wo sagasu : Perfect Graph Theory. Suugaku Seminar. 2004. 43. 8/515. 50-54

Books (2)：

Lectures and oral presentations (5)：

Network majority and the connected safe set problem
(International Symposium on Computational Operations Research and Algorithmic Game Theory 2021)
Network majority and the connected safe set problem
(International Symposium on Computational Operations Research and Algorithmic Game Theory)
Safe sets in graphs
(International Symposium on Operations Research and Game Theory: Modeling and Computation 2018)
Similarities and dissimilarities between the blocking and anti-blocking polyhedra
(2017 Symposium on Mathematical Programming and Game Theory (2017 SMPGT) 2017)
Similarities and dissimilarities between the blocking and anti-blocking polyhedra
(Mathematical Society of Japan 2016 Annual Meeting Talk Invited by Applied Mathematics Section 2016)

Education (3)：

1994 - 1997 The University of Tokyo Graduate School of Arts and Sciences Department of Multi-Disciplinary Sciences,General Systems Sciences (PhD Course)
1992 - 1994 The University of Tokyo Graduate School of Arts and Sciences Department of Multi-Disciplinary Sciences, General Systems Sciences (Master Course)
- 1992 The University of Tokyo Faculty of Liberal Arts

Work history (4)：

2020/12 - 現在 Yamagata University Faculty of Science Department of Science Professor
2018/04 - 2020/11 Yamagata University Faculty of Science Department of Science Associate Professor
2005/04 - 2018/03 Yamagata University Faculty of Education, Art and Science Associate Professor
2000/05 - 2005/03 Department of Advanced Social and International Studies, Graduate School of Arts and Sciences, The University of Tokyo Research Assistant

Committee career (6)：

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Association Membership(s) (2)：

The Mathematical Society of Japan , The Operations Research Society of Japan

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