Rchr
J-GLOBAL ID：201601017658209284
Update date: Feb. 01, 2024
Wakasa Kyouhei
ワカサ キョウヘイ | Wakasa Kyouhei
Affiliation and department：
Job title：
Junior Associate Professor
Research field (1)：
Mathematical analysis
Research keywords (2)：
非線形波動
, Nonlinear partial differential equations
Research theme for competitive and other funds (6)：
Papers (29)：
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Shunsuke Kitamura, Hiroyuki Takamura, Kyouhei Wakasa. The lifespan estimates of classical solutions of one dimensional semilinear wave equations with characteristic weights. Journal of Mathematical Analysis and Applications. 2023. 127516-127516
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Masahiro Ikeda, Ziheng Tu, Kyouhei Wakasa. SMALL DATA BLOW-UP OF SEMI-LINEAR WAVE EQUATION WITH SCATTERING DISSIPATION AND TIME-DEPENDENT MASS. EVOLUTION EQUATIONS AND CONTROL THEORY. 2022. 11. 2. 515-536
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Ning-An Lai, Mengyun Liu, Kyouhei Wakasa, Chengbo Wang. Lifespan estimates for 2-dimensional semilinear wave equations in asymptotically Euclidean exterior domains. Journal of Functional Analysis. 2021. 281. 12
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Tomoyuki Tanaka, Kyouhei Wakasa. On the critical decay for the wave equation with a cubic convolution in 3D. Discrete & Continuous Dynamical Systems. 2021. 41. 10. 4545-4566
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Masahiro Ikeda, Tomoyuki Tanaka, Kyouhei Wakasa. Critical exponent for the wave equation with a time-dependent scale invariant damping and a cubic convolution. Journal of Differential Equations. 2021. 270. 916-946
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Lectures and oral presentations (31)：
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On the critical decay for the wave equation with a cubic convolution in three space dimensions
(Workshop on Nonlinear Hyperbolic PDEs -- On the occasion of 60th birthday of Professor Yi Zhou -- 2023)
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The lifespan estimates of classical solutions of one dimensional semilinear wave equations with characteristic weights
(第795回 早稲田大学 応用解析研究会 2023)
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Decay property for nonlinear damped wave equations in one space dimension
(Okayama Workshop on Partial Differential Equations 2022)
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On the critical decay for the wave equation with a cubic convolution in 3D
(2022)
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特性方向の重みを持つ一次元半線形波動方程式の古典解のlifespan 評価
(2022年度日本数学会年会函数方程式論分科会 2022)
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Education (3)：
- 2013 - 2015 Hokkaido University Graduate School of Science
- 2011 - 2013 Future University-Hakodate
- 2007 - 2011 Future University-Hakodate
Professional career (1)：
- Doctor of Science (Hokkaido University)
Awards (2)：
- 2016/02 - 一般財団法人学際数学研究所 第17回北東数学解析研究会 優秀ポスター賞
- 2010/04 - 公立はこだて未来大学 未来大学賞
Association Membership(s) (1)：
THE MATHEMATICAL SOCIETY OF JAPAN
