Chiba Shuya

チバシユウヤ | Chiba Shuya

Affiliation and department：
Job title： Associate Professor

Research field (2)： Applied mathematics and statistics , Basic mathematics

Research keywords (3)： Discrete Mathematics , Graph Theory , Combinatorics

Research theme for competitive and other funds (9)：

2020 - 2025 マトロイドの臨界問題の新展開と解決への複合的アプローチ
2020 - 2025 有向グラフ上の詰込み・分割問題に対する新手法の開発とその応用
2017 - 2021 The links between algebraic coding theory and matroid theory
2017 - 2021 A study on the difference between Hamilton cycles and 2-factors with a prescribed number of cycles
2017 - 2018 成分数指定の2-因子問題に対する新手法の開発とその応用

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Papers (58)：

Shuya Chiba, Masao Tsugaki, Tomoki Yamashita. A degree condition for cycles passing through specified vertices and edges. Discrete Mathematics. 2023. 346. 12. 113633-113633
Shuya Chiba, Michitaka Furuya. Ramsey-type results for path covers and path partitions. II. digraphs. Applied Mathematics and Computation. 2023. 458. 128205-128205
Shuya Chiba. Partitioning the vertices of a digraph into directed cycles and degenerated directed cycles. Discrete Applied Mathematics. 2023. 330. 1-13
Shuya Chiba, Yoshimi Egawa, Shinya Fujita. Minimum Number of Edges Guaranteeing the Existence of a $$K_{1, t}$$-Factor in a Graph. Graphs and Combinatorics. 2023. 39. 2
Shuya Chiba, Katsuhiro Ota, Tomoki Yamashita. Minimum degree conditions for the existence of a sequence of cycles whose lengths differ by one or two. Journal of Graph Theory. 2023. 103. 2. 340-358

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Books (2)：

グラフ理論
丸善出版 2022 ISBN:9784621307564
Hakata Workshop 2014, Discrete Mathematics and its Applications (MI Lecture Note. volume 56)(共同編集)
Math-for-Industry, Kyushu University 2014

Lectures and oral presentations (76)：

Degree sum conditions for partitioning a graph into cycles
(Workshop Cycles and Colourings 2023 2023)
Degree conditions for the existence of vertex-disjoint cycles and paths in graphs
(2023)
cover/partition number に見る不変量版ラムゼー問題
(The 2019 Joint Conference on Applied Mathematics 2021)
Induced nets and Hamiltonicity of claw-free graphs
(Hakata Workshop; Winter Meeting 2020-Discrete Mathematics and its Applications- 2020)
A proof of Broersma's conjecture on Hamiltonicity of claw-free graphs
(The 2019 Joint Conference on Applied Mathematics 2019)

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Works (1)：

Education (3)：

2007 - 2010 Tokyo University of Science Department of Mathematics Docter Course
2005 - 2007 Tokyo University of Science Department of Mathematics Master Course
2001 - 2005 Tokyo University of Science Faculty of Science, Division 1 Department of Applied Mathematics

Professional career (3)：

Work history (5)：

2020/04 - 現在 Kumamoto University Applied Mathematics, Faculty of Advanced Science and Technology Professor
2018/10 - 2020/03 Kumamoto University Applied Mathematics, Faculty of Advanced Science and Technology Associate Professor
2016/04 - 2018/09 Kumamoto University Applied Mathematics, Faculty of Advanced Science and Technology Lecturer
2013/04 - 2016/03 Kumamoto University Graduate School of Science and Technology Lecturer
2010/04 - 2013/03 Tokyo University of Science Department of Mathematical Information Science Assistant Professor

Awards (1)：

2017/03 - The Mathematical Society of Japan The 2016 MSJ Prize for Excellent Applied Mathematicians 2-factors containing perfect matchings in bipartite graphs and directed 2-factors in digraphs

Association Membership(s) (1)：

日本数学会

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