Rchr
J-GLOBAL ID：200901010285201296
Update date: Jan. 30, 2024
Hirosawa Fumihiko
ヒロサワ フミヒコ | Hirosawa Fumihiko
Affiliation and department：
Other affiliations (2)：
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Yamaguchi University
Faculty of Science, Mathematical Sciences
Associate Professor
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Yamaguchi University
Faculty of Science, Mathematical Sciences
Associate Professor
Homepage URL (1)：
http://ds0n.cc.yamaguchi-u.ac.jp/~hirosawa/indexj.htm
Research field (2)：
Mathematical analysis
, Basic analysis
Research keywords (1)：
Partial Differential Equation
Research theme for competitive and other funds (7)：
- 2018 - 2023 Wave equations with variable propagation speed and its application for the global solvability of Kirchhoff equation
- 2014 - 2018 Evolution equations with variable coefficients and their applications to Kirchhoff equation
- 2010 - 2014 The refined diagonalization procedure and a development on the evolution equations with smooth coefficients
- 2010 - 2012 Research on oscillation problems for degenerate hyperbolic equations
- 2008 - 2011 On the study of the lifespan for nonlinear hyperbolic systems
- 2007 - 2009 On the asymptotic analysis of partial differential equations with variable coefficients and their applications
- 2004 - 2006 双曲型方程式の解の漸近安定性と非線形発展方程式への応用
Show all
Papers (33)：
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Kazunori Goto, Fumihiko Hirosawa. On the Wave-Like Energy Estimates of Klein-Gordon Type Equations with Time Dependent Potential. Trends in Mathematics. 2023. 635-646
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Fumihiko Hirosawa. On the energy estimates of semi-discrete wave equations with time dependent propagation speed. Journal of Mathematical Analysis and Applications. 2021. 496. 1. 124798-124798
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Fumihiko Hirosawa. On the Energy Estimate for Klein-Gordon-Type Equations with Time-Dependent Singular Mass. Analysis, Probability, Applications, and Computation. 2019. 325-335
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Hirosawa, F, Nascimento W. N. Energy estimates for the Cauchy problem of Klein-Gordon type equation with non-effective and very fast oscillating time-dependent potential. Ann. Mat. Pura Appl. 2018. 197. 3. 817-841
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Ebert, M. R, Fitriana, L, Hirosawa. A remark on the energy estimates for wave equations with integrable in time speed of propagation. Trends in Mathematics. Research Perspectives. 2017. 481-488
ｍore...
Lectures and oral presentations (76)：
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On the wave-like energy estimates of Klein-Gordon type equations with time dependent potential
(第38回 松山キャンプ 2023)
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Kirchhoff 型半離散波動方程式の大域可解性について
(第38回 松山キャンプ 2023)
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On the wave-like energy estimates of Klein-Gordon type equations with time dependent potential
(駿河台偏微分方程式研究集会 2022)
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半離散型キルヒホフ方程式の大域可解性
(駿河台偏微分方程式研究集会 2022)
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変数係数波動方程式・半離散波動方程式のエネルギー評価
(Saga Workshop on Partial Differential Equations 2022)
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Education (3)：
- - 1998 University of Tsukuba Graduate School, Division of Mathematics
- - 1995 Tokai University Graduate School, Division of Natural Science
- - 1993 Tokai University Faculty of Science
Professional career (2)：
- 博士(理学) (筑波大学)
- 修士(理学) (東海大学)
Work history (5)：
- 2016/04 - 現在 YAMAGUCHI UNIVERSITY Graduate School of Science and Engineering(Science) Professor
- 2015/04 - 2016/03 YAMAGUCHI UNIVERSITY Graduate School of Science and Engineering(Science)
- 2007/10 - 2015/03 YAMAGUCHI UNIVERSITY Graduate School of Science and Engineering(Science) Associate Professor
- 2003/04 - 2007/09 Nippon Institute of Technology Department of Engineering Lecturer
- 2000/04 - 2003/03 University of Tsukuba Department of Engineering Research Associate
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