TSUCHIYA Takuya

ツチヤタクヤ | TSUCHIYA Takuya

Affiliation and department：
Job title： Associate Professor

Research field (2)： Applied mathematics and statistics , Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Research keywords (4)：和算 , 相対論 , 数値解析 , General Relativity

Research theme for competitive and other funds (13)：

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Papers (22)：

Takuya Tsuchiya, Makoto Nakamura. Numerical Simulations of Semilinear Klein-Gordon Equation in the de Sitter Spacetime with Structure-Preserving Scheme. Trends in Mathematics: Analysis, Applications, and Computations Proceedings of the 13th ISAAC Congress, Ghent, Belgium, 2021. 2023. 549-562
土屋拓也, 今井悠人. 真法弟算記のある問題についての数値解析を用いた調査. 八戸工業大学紀要. 2023. 42. 1-15
今井悠人, 土屋拓也. 八戸の和算家神山由助について---その人物と著作---. 東アジア学術総合研究所集刊. 2023. 53. 63-112
Takuya Tsuchiya, Makoto Nakamura. Numerical accuracy and stability of semilinear Klein-Gordon equation in de Sitter spacetime. JSIAM Letters. 2023. 15. 45-48
Ryosuke Urakawa, Takuya Tsuchiya, Gen Yoneda. On the stability of covariant BSSN formulation. Classical and Quantum Gravity. 2022. 39. 16. 165002-165002

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Lectures and oral presentations (56)：

Improving stability of covariant BSSN formulation against homogeneous and isotropic spacetime background
(2024)
Einstein方程式における共変BSSN形式の安定性について
(2023年度応用数学合同研究集会 2023)
Improving constraint stability of covariant BSSN formalism of the Einstein equations against homogeneous and isotropic spacetime background
(10th International Congress on Industrial and Applied Mathematics 2023)
一様等方時空におけるEinstein方程式の共変BSSN形式に対する安定性について
(第49回数値解析シンポジウム 2023)
On behaviors of solutions of semilinear Klein-Gordon equation in con- tracting de Sitter spacetime
(MSJ Spring Meeting 2023 at Chuo University 2023)

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Professional career (1)：

Work history (10)：

2023/04 - 現在 Meiji Gakuin University Faculty of Economics Department of Economics Associate Professor
2021/04 - 2023/03 Hachinohe Institute of Technology Center for Liberal Arts and Sciences Associate Professor
2019/04 - 2021/03 Hachinohe Institute of Technology Center for Liberal Arts and Sciences Lecturer
2017/04 - 2019/03 Keio University Faculty of Economics Lecturer
2015/04 - 2019/03 Japan Women's University Faculty of Science Lecturer

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Awards (2)：

2021/03 - Hachinohe Institute of Technology Reiwa 2nd Year Hachinohe Institute of Technology Research Award Research activities on applied mathematics centered on numerical analysis and statistics
2020/09 - 日本応用数理学会 2020年度論文賞(JSIAM Letters部門)

Association Membership(s) (2)：

The Mathematical Society of Japan , THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS

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