Rchr
J-GLOBAL ID：200901079528365519
Update date: Feb. 01, 2024
Sunagawa Hideaki
スナガワ ヒデアキ | Sunagawa Hideaki
Affiliation and department：
Job title：
Professor
Homepage URL (1)：
https://kyoiku-kenkyudb.omu.ac.jp/html/100001055_ja.html
Research keywords (2)：
偏微分方程式
, Partial differential equations
Research theme for competitive and other funds (4)：
- 2021 - 2026 高周波漸近解析に基づいた非線形偏微分方程式の研究
- 2013 - 2016 Study on oscillation and singularity in mass resonance
- 2012 - 2015 Asymptotic analysis for systems of dispersive equations
- 2007 - 2010 Phase Space Analysis of Partial Differential Equations
Papers (31)：
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Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. Upper and lower $ L^2 $-decay bounds for a class of derivative nonlinear Schrödinger equations. Discrete and Continuous Dynamical Systems. 2022. 42. 12. 5893-5908
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Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. Large time asymptotics for a cubic nonlinear Schrödinger system in one space dimension. Funkcialaj Ekvacioj. 2021. 64. 3. 361-377
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Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. Large time asymptotics for a cubic nonlinear Schrödinger system in one space dimension, II. Tokyo Journal of Mathematics. 2021. 44. 2. 411-416
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Yoshinori Nishii, Hideaki Sunagawa, Hiroki Terashita. Energy decay for small solutions to semilinear wave equations with weakly dissipative structure. Journal of the Mathematical Society of Japan. 2021. 73. 3. 767-779
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Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. On the derivative nonlinear Schrödinger equation with weakly dissipative structure. Journal of Evolution Equations. 2021. 21. 2. 1541-1550
ｍore...
MISC (3)：
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砂川 秀明. 非線形Schrödinger方程式の解のlifespanと零構造の関わり. 数理解析研究所講究録. 2018. 2093. 104-115
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砂川 秀明. Klein-Gordon 方程式の非線型摂動について. 数理解析研究所講究録. 2007. 1558. 126-136
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砂川 秀明. 質量項が異なるKlein-Gordon方程式系のエネルギー増幅現象と解の爆発. 数理解析研究所講究録. 2005. 1411. 15-24
Education (1)：
- - 2004 Osaka University Graduate School of Science Department of Mathematics
Professional career (1)：
- Doctor of Science (Osaka University)
Work history (5)：
- 2022/04 - 現在 Osaka Metropolitan University
- 2020/04 - 2022/03 Osaka City University
- 2009/02 - 2020/03 Osaka University
- 2007/04 - 2009/02 Osaka University
- 2004/04 - 2007/03 University of Tsukuba
Awards (4)：
- 2015/07 - Osaka University Presidential Awards for Achievement
- 2014/12 - Division of Functional Equations, Mathematical Society of Japan The 6th Hukuhara Prize
- 2014/07 - Osaka University Presidential Awards for Encouragement
- 2004/09 - Mathematical Society of Japan Takebe Prize
Association Membership(s) (2)：
日本数学会
, Mathematical Society of Japan
