Yasuhiro Ishitsuka

イシツカヤスヒロ | Yasuhiro Ishitsuka

Affiliation and department：
Job title： Program-specific assistant professor
Homepage URL (1)： https://sites.google.com/view/yishitsuka/%E3%83%9B%E3%83%BC%E3%83%A0

Research field (1)： Algebra

Research keywords (5)： Algebraic Combinatorics , Classical Algebraic Geometry , Differential Algebra , Arithmetic Statistics , Arithmetic Invariant Theory

Research theme for competitive and other funds (7)：

2024 - 2028 A mathematical study of causality between variables in dynamical systems based on theories of algebraic geometry
2024 - 2027 数論統計の手法によるディオファントス幾何学の研究とその応用
2021 - 2026 Geometrical and arithmetic study of invariants appearing exponential sums of representations
2021 - 2024 Discrete integrable systems and Diophantine problems
2020 - 2024 A mathematical study of dimensionality reduction and embedding by theories of delay-coordinate systems and algebraic geometry

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Papers (16)：

Yasuhiro Ishitsuka, Tetsushi Ito, Tatsuya Ohshita, Takashi Taniguchi, Yukihiro Uchida. Periods modulo p of integer sequences associated with division polynomials of genus 2 curves. New York Journal of Mathematics. 2025. 31. 568-588
Azusa Tanaka, Yasuhiro Ishitsuka, Hiroki Ohta, Norihiro Takenouchi, Masanori Nakagawa, Ki-Ryang Koh, Chiho Onishi, Hiromitsu Tanaka, Akihiro Fujimoto, Jun-ichirou Yasunaga, et al. Integrative analysis of ATAC-seq and RNA-seq for cells infected by human T-cell leukemia virus type 1. PLOS Computational Biology. 2025. 21. 1. e1012690-e1012690
Kenji Shimomura, Yasuhiro Ishitsuka, Hiroki Ohta. Emergent centrality in rank-based supplanting process. Physical Review E. 2023. 107. 3
Yasuhiro Ishitsuka, Tetsushi Ito, Sho Yoshikawa. The modularity of elliptic curves over all but finitely many totally real fields of degree 5. Research in Number Theory. 2022. 8. 4
Yasuhiro Ishitsuka, Tetsushi Ito. The Hasse principle for finite Galois modules allowing exceptional sets of positive density. International Journal of Number Theory. 2022. 18. 09. 1895-1919

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MISC (5)：

Yasuhiro Ishitsuka, Takashi Taniguchi, Frank Thorne, Stanley Yao Xiao. Exponential sums over singular binary quartic forms and applications. 2024
Yasuhiro Ishitsuka, Tetsushi Ito. The Hasse principle for flexes on cubics and the local-global divisibility problem. 2018
Yasuhiro Ishitsuka. Orbit parametrizations of theta characteristics on hypersurfaces over arbitrary fields. 2014
石塚裕大. 二次超曲面の完全交叉とガロアコホモロジー. Algebraic Number Theory and Related Topics 2012. 2014. (印刷中)
Yasuhiro Ishitsuka. Complete Intersections of Two Quadrics and Galois Cohomology. 2012

Lectures and oral presentations (6)：

微分方程式系の単独化とGroebner基底について
(Workshop: シミュレーションとモデリングのための計算代数2020 2020)
平面4次曲線の双接線に関する局所大域性
(2019年日本応用数理学会研究部会連合発表会「数論アルゴリズムとその応用」(JANT)セッション 2019)
三次曲線の回転対称な行列式表示について
(第16回北陸数論研究集会「数論における行列式表示」 2017)
Arithmetic of rotationally symmetric determinantal representations
(Arithmetic Geometry and Related Topics 2017)
三次曲線の線形行列式表示について
(第47回愛媛大学代数セミナー 2017)

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Education (4)：

2012 - 2015 Kyoto University Graduate School of Science Division of Mathematics
2010 - 2012 Kyoto University Graduate School of Science Division of Mathematics
2006 - 2010 Kyoto University Department of Science
2003 - 2006 千葉県立東葛飾高等学校普通科

Professional career (1)：

Ph.D. (Science) (Kyoto University)

Work history (4)：

2024/08 - 現在 Kyushu University
2024/04 - 2024/07 Kyushu University
2021/03 - 2024/03 Kyushu University Program-Specific
2016/08 - 2021/02 Kyoto University

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