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J-GLOBAL ID:201601010246013330
Update date: Feb. 14, 2024
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
- 2014 - 2018 Matroids, Quantum Information Theory, and Codes
- 2014 - 2018 A STUDY ON RELATIONSHIPS BETWEEN THE ERDOS-POSA PROPERTY AND DEGREE CONDITIONS IN GRAPHS
- 2011 - 2013 A STUDY ON THE EXISTENCE OF VERTEX-DISJOINT STARS IN GRAPHS
- 2009 - 2010 平成21年度 高度化推進対象事業 大学院重点特別経費-研究科特別経費
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Papers (58):
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Shuya Chiba, Masao Tsugaki, Tomoki Yamashita. A degree condition for cycles passing through specified vertices and edges. Discrete Mathematics. 2023. 346. 12. 113633-113633
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Shuya Chiba, Michitaka Furuya. Ramsey-type results for path covers and path partitions. II. digraphs. Applied Mathematics and Computation. 2023. 458. 128205-128205
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Shuya Chiba. Partitioning the vertices of a digraph into directed cycles and degenerated directed cycles. Discrete Applied Mathematics. 2023. 330. 1-13
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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
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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
more...
Books (2):
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グラフ理論
丸善出版 2022 ISBN:9784621307564
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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):
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Degree sum conditions for partitioning a graph into cycles
(Workshop Cycles and Colourings 2023 2023)
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Degree conditions for the existence of vertex-disjoint cycles and paths in graphs
(2023)
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cover/partition number に見る不変量版ラムゼー問題
(The 2019 Joint Conference on Applied Mathematics 2021)
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Induced nets and Hamiltonicity of claw-free graphs
(Hakata Workshop; Winter Meeting 2020-Discrete Mathematics and its Applications- 2020)
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A proof of Broersma's conjecture on Hamiltonicity of claw-free graphs
(The 2019 Joint Conference on Applied Mathematics 2019)
more...
Works (1):
-
点素な部分グラフが存在するための十分条件に関する研究
2009 - 2010
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):
- Doctor of Science (Tokyo University of Science)
- 修士(理学) (東京理科大学)
- 学士(理学) (東京理科大学)
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):
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