Ikehata Ryo

イケハタリョウ | Ikehata Ryo

Affiliation and department：

Research field (1)： Mathematical analysis

Research theme for competitive and other funds (7)：

2015 - 2019 消散構造を持つある偏微分方程式の解の漸近形とその応用
2015 - 2019 消散構造を持つある偏微分方程式の解の漸近形とその応用
2010 - 2014 非線形偏微分方程式に対する安定性解析
2010 - 2013 Energy decay for hyperbolic partial differential equations with variable coefficients and its related topic
2007 - 2009 Energy estimates for hyperbolic equations in unbounded domains and their applications

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Papers (69)：

Ikehata, Ryo, Iyota, Shin. Asymptotic profile of solutions for some wave equations with very strong structural damping. MATHEMATICAL METHODS IN THE APPLIED SCIENCES. 2018. 41. 13. 5074-5090
Ruy Coimbra Charao, Ryo Ikehata. Remarks on the Decay Rate of the Energy for Damped Modified Boussinesq-Beam Equations on the 1-D Half Line. FUNKCIALAJ EKVACIOJ-SERIO INTERNACIA. 2017. 60. 2. 239-257
Ryo Ikehata, Michiaki Onodera. REMARKS ON LARGE TIME BEHAVIOR OF THE L-2-NORM OF SOLUTIONS TO STRONGLY DAMPED WAVE EQUATIONS. DIFFERENTIAL AND INTEGRAL EQUATIONS. 2017. 30. 7-8. 505-520
Ryo Ikehata. Fast energy decay for wave equations with a localized damping in the n-D half space. ASYMPTOTIC ANALYSIS. 2017. 103. 1-2. 77-94
Ryo Ikehata, Hiroshi Takeda. Critical exponent for nonlinear wave equations with frictional and viscoelastic damping terms. NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS. 2017. 148. 228-253

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Lectures and oral presentations (14)：

Fast energy decay for wave equations with a localized damping in the n-D half space
(Seminar on Partial Differential Equations at UFSC, Brasil 2016)
Asymptotic profiles for wave equation with strong damping.
(2015)
Energy decay estimates for wave equations with a fractional damping
(9th AIMS International Conference on Dynamical Systems, Differential Equations and Applications 2012)
Global solutions for Semilinear wave equations with a dissipation localized near infinity in an exterior domain.
("AIMS' 6th International Conference on Dynamical Systems, Differential Equations and Applications (at Poitiers, France)." 2006)
Local energy decay for a perturbed wave equations
("AIMS' 6th International Conference on Dynamical Systems, Differential equations and Applications (at Poitiers, France)." 2006)

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Professional career (1)：

Work history (3)：

2000/04/01 - Hiroshima University Graduate School of Education Assistant Professor
1996/04/01 - 1998/03/31 Hiroshima University Faculty of School Education Lecturer
1992/04/01 - 1996/03/31 Tokyo National College of Technology Lecturer

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