Rchr
J-GLOBAL ID：201801007664808245
Update date: Mar. 12, 2024
Sakakibara Koya
サカキバラ コオヤ | Sakakibara Koya
Affiliation and department：
Job title：
Associate Professor
Other affiliations (1)：
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RIKEn iTHEMS
Visiting Scientist
Homepage URL (1)：
https://sites.google.com/site/koyasakakibara/home
Research field (2)：
Applied mathematics and statistics
, Basic mathematics
Research keywords (7)：
勾配流
, 界面現象
, Material sciences
, Moving boundary problem
, Structure-preserving numerical method
, Fluid dynamics
, Numerical analysis
Research theme for competitive and other funds (4)：
- 2023 - 2028 Singularity analysis of complex functions for describing complex phenomena
- 2022 - 2026 Mathematical and numerical analysis of Sobolev gradient flows appearing in interface and materials science
- 2022 - 2025 Development of a foundation for discrete complex analysis
- 2018 - 2023 基本解近似解法による流体現象の高精度数値解析
Papers (15)：
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Masaharu Nagayama, Harunori Monobe, Koya Sakakibara, Ken-Ichi Nakamura, Yasuaki Kobayashi, Hiroyuki Kitahata. On the reaction-diffusion type modelling of the self-propelled object motion. Scientific Reports. 2023. 13. 1
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Koya Sakakibara, Yusaku Shimoji, Shigetoshi Yazaki. A simple numerical method for Hele-Shaw type problems by the method of fundamental solutions. Japan Journal of Industrial and Applied Mathematics. 2022. 39. 3. 869-887
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Hiroshi Matano, Yoichiro Mori, Mitsunori Nara, Koya Sakakibara. Asymptotic behavior of fronts and pulses of the bidomain model. SIAM Journal on Applied Dynamical Systems. 2022. 21. 1. 616-649
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Koya Sakakibara, Yuto Miyatake. A fully discrete curve-shortening polygonal evolution law for moving boundary problems. Journal of Computational Physics. 2021. 424. 109857-109857
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Yoshikazu Giga, Koya Sakakibara, Kazutoshi Taguchi, Masaaki Uesaka. A new numerical scheme for discrete constrained total variation flows and its convergence. Numerische Mathematik. 2020. 146. 1. 181-217
ｍore...
MISC (7)：
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Koya Sakakibara. Numerical analysis of constrained total variation flows and its application to the Kobayashi-Warren-Carter model. RIMS Kôkyûroku. 2021. 2186. 8 pp
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榊原 航也. 様々な Hele-Shaw 問題に対する基本解近似解法による構造保存型数値解法. 数学と現象:Mathematics and Phenomena in Miyazaki 2018 報告集. 2019. 17 pp
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榊原 航也. Kobayashi-Warren-Carter モデルの数値解析〜結晶粒界の可視化に向けて〜. 数理解析研究所講究録. 2018. 2094. 1-5
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榊原 航也. Almansi 型分割に基づいた重調和方程式に対する基本解近似解法. 数理解析研究所講究録. 2017. 2037. 85-95
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榊原 航也. チェコ工科大学応用数学グループの紹介. JSIAM Online Magazine. 2016
ｍore...
Lectures and oral presentations (135)：
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Reaction-diffusion type modeling of self-propelled object motion and its singular limit
(ALGORITMY 2024 2024)
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変形する自己駆動体の反応拡散型モデルおよびその特異極限
(力学系に対する相空間全構造解析と分岐解析の統合による新たなアプローチ 2024)
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最適輸送問題のBregmanダイバージェンスによる正則化の誤差評価
(2023年度応用数学合同研究集会 2023)
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Interface model of the self-propelled object motion with shape change
(RIMS Conference "Multidisciplinary Research on Nonlinear Phenomena: Modeling, Analysis and Applications" 2023)
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Regularization of optimal transport problems by Bregman divergence
(Seminar on Partial Differential Equations 2023)
ｍore...
Education (3)：
- 2014 - 2017 The University of Tokyo Graduate School of Mathematical Sciences
- 2012 - 2014 Meiji University Graduate School of Science and Engineering Department of Mathematics
- 2008 - 2012 Meiji University School of Science and Engineering Department of Mathematics
Professional career (1)：
- Ph.D. in Mathematical Sciences (The University of Tokyo)
Work history (5)：
- 2023/04 - 現在 Kanazawa University Institute of Science and Engineering Faculty of Mathematics and Physics Associate Professor
- 2018/06 - 現在 RIKEN iTHEMS Visiting Scientist
- 2020/04 - 2023/03 Okayama University of Science Faculty of Science Department of Applied Mathematics Lecturer
- 2018/04 - 2020/03 Kyoto University Graduate School of Science Program-Specific Assistant Professor
- 2017/04 - 2018/03 The University of Tokyo Graduate School of Mathematical Sciences Project Researcher
Committee career (5)：
- 2023/04 - 現在 日本応用数理学会 研究部会「若手の会」主査
- 2021/04 - 現在 日本応用数理学会 環瀬戸内研究部会 幹事
- 2021/10 - 2023/03 日本応用数理学会 学会誌「応用数理」主査(論文・チュートリアル部門)
- 2019/04 - 2023/03 日本応用数理学会 研究部会「若手の会」幹事
- 2020/04 - 2021/09 日本応用数理学会 学会誌「応用数理」編集委員(論文・チュートリアル部門)
Awards (4)：
- 2022/06 - 日本応用数理学会 研究部会連合発表会優秀講演賞(2021年) バイドメインモデルにおける解の漸近挙動の数値解析
- 2020/03 - 日本数学会 2019年度応用数学研究奨励賞 移動境界問題に対する全離散エネルギー散逸型数値解法
- 2018/09 - The Japan Society for Industrial and Applied Mathematics Excellent Poster Award in Annual Meeting 2018
- 2017/03 - The University of Tokyo Dean's award of the Graduate School of Mathematical Sciences
Association Membership(s) (2)：
THE JAPAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
, THE MATHEMATICAL SOCIETY OF JAPAN
