Rchr
J-GLOBAL ID：201801014899409999
Update date: Apr. 30, 2024
Yasui Kouichi
Yasui Kouichi
Affiliation and department：
Other affiliations (1)：
Research field (1)：
Geometry
Research keywords (3)：
topology
, 4-manifolds
, smooth structures
Research theme for competitive and other funds (12)：
- 2023 - 2026 4次元多様体の微分構造と結び目への応用
- 2019 - 2024 グラフィクスとカンドル理論の観点からの4次元トポロジーの研究
- 2019 - 2024 Smooth structures of 4-manifolds and knots
- 2017 - 2021 薄滑解析の崩壊理論と異種構造への応用
- 2016 - 2019 Handle decompositions and smooth structures of 4-manifolds
- 2014 - 2019 グラフィクスとカンドル理論の観点からの4次元トポロジーの研究
- 2013 - 2016 Researches on smooth structures of 4-manifolds by handle decompositions
- 2010 - 2015 Geometric structure and combinatorial structure of 3-dimensional manifolds
- 2011 - 2013 Handle decompositions and smooth structures of 4-manifolds
- 2010 - 2013 Kirby diagrams and smooth structures of 4-manifolds
- 2009 - 2011 Researches on smooth structures of 4-manifolds by Kirby diagrams
- 2007 - 2009 Smooth structures of 4-manifolds and Kirby diagrams
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Papers (22)：
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Tsuyoshi Kato, Nobuhiro Nakamura, Kouichi Yasui. The simple type conjecture for mod 2 Seiberg-Witten invariants. Journal of the European Mathematical Society. 2023. 25. 12. 4869-4877
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安井弘一. 4次元多様体の微分構造と種数関数. 日本数学会 2023 年度秋季総合分科会トポロジー分科会講演アブストラクト. 2023. 73-82
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Kouichi Yasui. Geometrically simply connected 4-manifolds and stable cohomotopy Seiberg-Witten invariants. Geometry & Topology. 2019. 23. 5. 2685-2697
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Kouichi Yasui. Nonexistence of twists and surgeries generating exotic 4-manifolds. Transactions of the American Mathematical Society. 2019. 372. 8. 5375-5392
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Kouichi Yasui. On twists and surgeries generating exotic smooth structures. Intelligence of Low-dimensional Topology. RIMS Kokyuroku. 2018. 2099. 30-35
ｍore...
MISC (5)：
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Tsuyoshi Kato, Daisuke Kishimoto, Nobuhiro Nakamura, Kouichi Yasui. Upper bounds for virtual dimensions of Seiberg-Witten moduli spaces. arXiv:2111.15201. 2021
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Kouichi Yasui. Contact 5-manifolds and smooth structures on Stein 4-manifolds. arXiv:1604.03460. 2016
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Kouichi Yasui. Corks, exotic 4-manifolds and knot concordance. arXiv:1505.02551 (accepted for publication in Journal of Differential Geometry). 2015
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Kouichi Yasui. Partial twists and exotic Stein fillings. arXiv:1406.0050. 2014
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Kouichi Yasui. Nuclei and exotic 4-manifolds. arXiv:1111.0620. 2011
Lectures and oral presentations (100)：
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Genus functions of 4-manifolds and their applications
(Differential Topology ’24 Cork, exotic structure, concordance 2024)
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Exotic 4-manifolds and genus functions”,
(Four Dimensional Topology 2023)
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4次元多様体の微分構造と種数関数
(日本数学会 2023 年度秋季総合分科会(特別講演) 2023)
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Sums of 4-manifolds, genus functions and their applications
(Gauge Theory in Kyoto 2023)
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Sums of 4-manifolds, genus functions and their applications
(Topology Seminar 2022)
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Education (1)：
- 2006 - 2008 Osaka University Graduate School of Science Doctoral Course, Department of Mathematics
Professional career (1)：
Work history (6)：
- 2017/04 - 現在 Department of Pure and Applied Mathematics, Graduate School of Information Science and Technology, Osaka University Associate Professor
- 2011/04 - 2017/03 Department of Mathematics, Graduate School of Science, Hiroshima University Assistant Professor
- 2010/04 - 2011/03 Japan Society for the Promotion of Science (JSPS) Research Fellowship for Young Scientists (PD)
- 2009/04 - 2010/03 Research Institute for Mathematical Sciences, Kyoto University GCOE Program-Specific Research Fellow
- 2009/01 - 2009/03 Japan Society for the Promotion of Science (JSPS) Research Fellowship for Young Scientists (PD)
- 2007/04 - 2008/12 Japan Society for the Promotion of Science (JSPS) Research Fellowship for Young Scientists (DC2)
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Committee career (14)：
- 2023/04 - 2023/11 Four Dimensional Topology organaizer
- 2022/04 - 2022/11 Four Dimensional Topology Organaize
- 2021/04 - 2021/11 Four Dimensional Topology Organizer
- 2020/04 - 2020/11 Four Dimensional Topology Organizer
- 2019/12 - 2020/01 4-Dimensional Topology and Gauge Theory Organizer
- 2019/04 - 2019/12 Four Dimensional Topology Organizer
- 2018/04 - 2018/09 The International Conference ``Four Dimensional Topology'' Organizer
- 2017/04 - 2017/11 Four Dimensional Topology Organizer
- 2016/04 - 2016/11 Four Dimensional Topology Organizer
- 2015/04 - 2015/11 Four Dimensional Topology Organizer
- 2014/04 - 2014/11 Four Dimensional Topology Organizer
- 2013/04 - 2013/11 Four Dimensional Topology Organizer
- 2012/04 - 2012/11 Four Dimensional Topology Organizer
- 2011/04 - 2011/11 Four Dimensional Topology Organizer
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Awards (2)：
- 2017/12 - The International Consortium of Chinese Mathematicians Distinguished Paper Award of 2017 ICCM Best Paper Award "Calabi-Yau caps, uniruled caps and symplectic fillings"
- 2009/09 - The Mathematical Society of Japan The MSJ Takebe Katahiro Prize for Encouragement of Young Researchers Researches on handle decompositions of 4-manifolds
Association Membership(s) (1)：
THE MATHEMATICAL SOCIETY OF JAPAN
