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HOSHIGA Akira
HOSHIGA Akira
Professor
College of Engineering - Division of Mathematical and Systems Engineering
Faculty of Engineering - Department of Mathematical and Systems Engineering
Graduate School of Integrated Science and Technology Department of Engineering - Mathematical and Systems Engineering Course
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Last updated : 2025/03/27 2:05:12
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Basic information on teaching staff
Hokkaido University 1997/3
Hokkaido University 1993/3 |
| Study of the lifespan of quasilinear wave equations |
| lifespan |
Research information
[1]. Lower bound of the lifespan of the solution to systems of quasilinear wave equations with multiple propagation speeds
Advances in Mathematical Sciences and Applications 26/1 273-311 (2017) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] 星賀 彰
[2]. The lifespan of solutions to quasilinear hyperbolic systems of n×n in the critical case
SAITAMA MATHEMATICAL JOURNAL 26/ 15-38 (2010) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]星賀 彰 [共著者]野瀬泰一
[3]. The existence of the global solutions to semilinear wave eqations with a class of nonlinearities in 2-dimensional space
Hokkaido Mathematical Journal 37/ 669-688 (2008) [Refereed] refereed
[Lead author or co-author] author
[Author] 星賀彰
[4]. The existence of global solutions to systems of quasilinear wave equations with quadratic nonlinearities in 2-dimensional space
FUNKCIALAJ EKVACIOJ 49/3 357-384 (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] AKIRA HOSHIGA
[5]. Existence and blowing up of solutions to systems of quasilinear wave equations in two space dimensions
Advances in Mathematical Sciences and Applications 15/1 69-110 (2005) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Akira Hoshiga
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[1].
（2020）
[Book type]book(educational)
[Sole author, co-author, or author and editor] single work
[Author]星賀彰 [Total page number] 247ページ [REP page number] 247ページ
[2].
（2008）
[Book type]book(educational)
[Sole author, co-author, or author and editor]
[Notes] 主執筆者
[3].
（2007）
[Book type]book(educational)
[Sole author, co-author, or author and editor]
[Notes] 主著者
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[1]. Global small amplitude solutions of nonlinear hyperbolic systems with a critical exponent under the null condition
偏微分方程式論札幌シンポジウム （2018/8/） other
[Presenter]星賀彰、久保英夫
[Notes] 北海道大学
[2]. Lower bounds of the lifespan of the solution to systems of quasi-linear wave equations with multiple propagation speeds
Linear and Nonlinear Waves （2017/11/） other
[Presenter]星賀 彰
[Notes] 大阪大学
[3]. 伝播速度の異なる2次元準線形波動方程式系の解のライフスパンの評価
応用解析研究会 （2017/10/） other
[Presenter]星賀 彰
[Notes] 早稲田大学
[4]. 伝播速度が異なる２次元準線形波動方程式系の滑らかな解のライフスパンについて
日本数学会秋季総合分科会 （2017/9/） other
[Presenter]星賀 彰
[Notes] 山形大学
[5]. 伝播速度が異なる２次元準線形波動方程式系の滑らかな解のライフスパンについて
函館偏微分方程式セミナー （2017/6/） other
[Presenter]星賀彰
[Notes] はこだて未来大学
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[1]. 漸近的に平坦な計量をもつ空間における非線型波動の大域挙動の解明 （ 2013/4 ） Grant-in-Aid for Scientific Research (B) member
[2]. 有界変動函数の空間における発展方程式の研究 （ 2013/4 ） Grant-in-Aid for Scientific Research (C) member
[3]. 有界変動函数の空間における発展方程式の研究 （ 2012/4 ） Grant-in-Aid for Scientific Research (C) member
[4]. 漸近的に平坦な計量をもつ空間における非線型波動の大域挙動の解明 （ 2012/4 ） Grant-in-Aid for Scientific Research (B) member
[5]. 準線形波動方程式の古典解の時間大域的な挙動の研究 （ 2010/4 ） Grant-in-Aid for Scientific Research (C) leader
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[1]. 浜松偏微分方程式研究集会 （2024/12)
[Role at conference, etc.] other [Site of conference, etc.] 静岡大学浜松キャンパス
[Notes] 学会主催者（中島徹）
[2]. 浜松偏微分方程式研究集会 （2023/12)
[Role at conference, etc.] other [Site of conference, etc.] 静岡大学浜松キャンパス
[Notes] 学会主催者（菊地光嗣）
[3]. 浜松偏微分方程式研究集会 （2009/12)
[Role at conference, etc.] other [Site of conference, etc.] 静岡大学浜松キャンパス
[Notes] 学会主催者（菊地光嗣）
[4]. 浜松偏微分方程式研究集会 （2008/12)
[Role at conference, etc.] other [Site of conference, etc.] 静岡大学浜松キャンパス
[Notes] 学会主催者（菊地光嗣）
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Education related information
[1]. Faculty Course 応用数学Ⅰ （2024(FY) - first semester )
[2]. Faculty Course 微分積分学Ⅱおよび演習 （2024(FY) - second semester )
[3]. Faculty Course 微分積分学Ⅰ （2024(FY) - first semester )
[4]. Faculty Course 応用数学Ⅳ （2024(FY) - second semester )
[5]. Graduate School Course(Master's) 応用数学概論 （2024(FY) - first semester ) |
Contributions to society
[1]. lecture class FDK株式会社 数学セミナー （2014/9 )
[Details] 社員向けに数学の講義をおこなった
[Notes] FDK株式会社湖西工場 |
[1]. 非常勤講師 （2023/5 - 2023/9 ) [Association] 新静岡学園
[Details of activities]「数学」 |
International contributions
Others
| [1]. 共通講座会議長 （2020/4 - 2021/3 ) |
| 1991- Engaged in research on the classical solutions to nonlinear wave equations |