Sakai Akira

サカイアキラ | Sakai Akira

Affiliation and department：
Homepage URL (1)： http://kaken.nii.ac.jp/d/r/50506996.ja.html

Research field (4)： Applied mathematics and statistics , Basic mathematics , Mathematical physics and basic theory , Mathematical analysis

Research keywords (14)： probability theory , statistical mechanics , mathematical physics , phase transition , critical behavior , lace expansion , Ising model , φ^4 model , contact process , percolation , lattice trees , lattice animals , self-avoiding walk , random walk

Research theme for competitive and other funds (7)：

2023 - 2027 Comprehensive study on mathematical aspects of metallic ferromagnetism
2023 - 2026 Lace-expansion approach towards phase transitions, critical phenomena and constructive field theory
2018 - 2024 Optimization problems and their solutions with safe and secure quality validation based on mathematics
2018 - 2022 Rigorous analysis for high-dimensional critical behavior and crossover of various mathematical models
2015 - 2018 On yet-open questions about Ising ferromagnets

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Papers (37)：

Akira Sakai. Work of Hugo Duminil-Copin. Sugaku. 2024. 76. 1. 48-60
Bruno Hideki Fukushima-Kimura, Noe Kawamoto, Eitaro Noda, Akira Sakai. Mathematical Aspects of the Digital Annealer’s Simulated Annealing Algorithm. Journal of Statistical Physics. 2023. 190. 12
Noe Kawamoto, Akira Sakai. Spread-out limit of the critical points for lattice trees and lattice animals in dimensions d>8. Combinatorics, Probability and Computing. 2023. 33. 2. 238-269
Bruno Hideki Fukushima-Kimura, Satoshi Handa, Katsuhiro Kamakura, Yoshinori Kamijima, Kazushi Kawamura, Akira Sakai. Mixing Time and Simulated Annealing for the Stochastic Cellular Automata. Journal of Statistical Physics. 2023. 190. 4
Bruno Hideki Fukushima-Kimura, Yoshinori Kamijima, Kazushi Kawamura, Akira Sakai. Stochastic optimization: Glauber dynamics versus stochastic cellular automata. Transactions of the Institute of Systems, Control and Information Engineers. 2023. 36. 1. 9-16

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MISC (3)：

上島芳倫, 坂井哲. Stability of the phase transition and critical behavior of the Ising model against quantum perturbation-確率論シンポジウム. 数理解析研究所講究録. 2023. 2246. 5-15
上島芳倫, 坂井哲, 半田悟. 体心立方格子上の最近接モデルに対するレース展開 (確率論シンポジウム). 数理解析研究所講究録. 2017. 2030. 135-142
Sakai Akira. Application of the lace expansion to the $\varphi^4$ model (Probability Symposium). RIMS Kokyuroku. 2013. 1855. 80-81

Patents (2)：

Books (2)：

Sojourns in Probability Theory and Statistical Physics - I
Springer Singapore 2019 ISBN:9789811502941
Analysis and Stochastics of Growth Processes and Interface Models
Oxford University Press 2008 ISBN:9780199239252

Education (3)：

1996 - 2000 Tokyo Institute of Technology
1994 - 1996 Tokyo Institute of Technology
1990 - 1994 Tokyo Institute of Technology

Professional career (1)：

Ph.D. (Applied Physics) (Tokyo Institute of Technology)

Work history (7)：

2020/02 - 現在 Hokkaido University Faculty of Science Department of Mathematics Professor
2011/04 - 2020/01 Hokkaido University Faculty of Science Department of Mathematics Associate professor
2008/03 - 2011/03 Hokkaido University Creative Institution SOUSEI Tenure-track assistant professor
2006/04 - 2008/02 University of Bath Department of Mathematical Sciences Lecturer
2004/04 - 2006/03 Technische Universiteit Eindhoven Department of Mathematics and Computer Science Postdoctoral fellow

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Committee career (4)：

2020/03 - 現在 Mathematical Physics, Analysis and Geometry Associate editor
2020/08 - 2023/10 Taiwanese Journal of Mathematics Associate editor
2020/04 - 2022/03 Mathematical Society of Japan Statistics and Probability Section Steering Committee
2015/09 - 2019/08 Bernoulli Society Councilor

Awards (2)：

2013/03 - The Hokkaido University President’s Award for Teaching Excellence in 2013
2012/03 - The Hokkaido University President’s Award for Teaching Excellence in 2012

Association Membership(s) (2)：

THE MATHEMATICAL SOCIETY OF JAPAN , システム制御情報学会

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