Hirosawa Fumihiko 廣澤史彦

… Alternative Names

HIROSAWA Fumihiko 廣澤史彦

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Researcher Number	50364732
Other IDs
Affiliation (Current)	2025: 山口大学, 大学院創成科学研究科 , 教授
Affiliation (based on the past Project Information) *help	2017 – 2023: 山口大学, 大学院創成科学研究科, 教授 2016: 山口大学, 創成科学研究科, 教授 2014 – 2015: 山口大学, 理工学研究科, 教授 2012 – 2013: 山口大学, 理工学研究科, 准教授 2007 – 2012: Yamaguchi University, 大学院・理工学研究科, 准教授 2004 – 2006: 日本工業大学, 工学部, 講師
Review Section/Research Field	Principal Investigator Basic analysis / Basic Section 12020:Mathematical analysis-related / Mathematical analysis / Global analysis Except Principal Investigator Basic analysis / Global analysis
Keywords	Principal Investigator 変数係数 / 双曲型方程式 / 波動方程式 / キルヒホフ方程式 / 発展方程式 / クライン・ゴルドン方程式 / 非線形 / 偏微分方程式 / 非線形波動方程式 / エネルギー評価 … More / 離散 / クラインゴルドン方程式 / キルヒホッフ方程式 / 半離散波動方程式 / クライン・ゴルドン型方程式 / 半離散 / クラインゴルドン型方程式 / 双曲型偏微分方程式 / 消散型波動方程式 / エネルギー減衰評価 / エネルギー保存則 / p-発展方程式 / p-型発展方程式 / 非線形発展方程式 / Kirchhoff方程式 … More Except Principal Investigator 境界条件 / レビ条件 / 適切性 / エネルギー評価 / 境界値問題 / 初期値問題 / 振動理論 / 退化双曲型方程式 / ライフスパン / 双曲型システム / 関数方程式論 Less

Wave equations with variable propagation speed and its application for the global solvability of Kirchhoff equationPrincipal Investigator
- Principal Investigator
  
  Hirosawa Fumihiko
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12020:Mathematical analysis-related
- Research Institution
  Yamaguchi University
Evolution equations with variable coefficients and their applications to Kirchhoff equationPrincipal Investigator
- Principal Investigator
  
  Hirosawa Fumihiko
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical analysis
- Research Institution
  Yamaguchi University
Research on oscillation problems for degenerate hyperbolic equations
- Principal Investigator
  
  ISHIDA Haruhisa
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  The University of Electro-Communications
The refined diagonalization procedure and a development on the evolution equations with smooth coefficientsPrincipal Investigator
- Principal Investigator
  
  HIROSAWA Fumihiko
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Yamaguchi University
On the study of the lifespan for nonlinear hyperbolic systems
- Principal Investigator
  
  KINOSHITA Tamotu
- Project Period (FY)
  2008 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Global analysis
- Research Institution
  University of Tsukuba
On the asymptotic analysis of partial differential equations with variable coefficients and their applicationsPrincipal Investigator
- Principal Investigator
  
  HIROSAWA Fumihiko
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Basic analysis
- Research Institution
  Yamaguchi University
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Principal Investigator
- Principal Investigator
  
  廣澤史彦
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Global analysis
- Research Institution
  Nippon Institute of Technology

[Journal Article] On the Wave-Like Energy Estimates of Klein-Gordon Type Equations with Time Dependent Potential2023
- Author(s)
  Kazunori Goto, Fumihiko Hirosawa
- Journal Title
  
  Trends in Mathematics
  
  Volume: 1 Pages: 635-646
- DOI
  10.1007/978-3-031-36375-7_48
- ISBN
  9783031363740, 9783031363757
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03372
[Journal Article] On the energy estimates of semi-discrete wave equations with time dependent propagation speed2021
- Author(s)
  Fumihiko Hirosawa
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 496 Issue: 1 Pages: 124798-124798
- DOI
  10.1016/j.jmaa.2020.124798
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03372
[Journal Article] On The Energy Estimate for Klein-Gordon Type Equations with Time Dependent Singular Mass2019
- Author(s)
  Fumihiko Hirosawa
- Journal Title
  
  Analysis, Probability, Applications, and Computation: Proceedings of the 11th ISAAC Congress (Sweden) 2017
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K03372
[Journal Article] Energy estimates for the Cauchy problem of Klein-Gordon-type equations with non-effective and very fast oscillating time-dependent potential2018
- Author(s)
  F. Hirosawa and W. N. Nascimento
- Journal Title
  
  Annali di Matematica Pura ed Applicata
  
  Volume: 印刷中 Issue: 3 Pages: 817-841
- DOI
  10.1007/s10231-017-0705-9
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Journal Article] On the energy estimate for Klein-Gordon type equations with time dependent singular mass2018
- Author(s)
  F. Hirosawa
- Journal Title
  
  Proceedings of the 11th ISAAC 2017, Trends in Mathematics, Research Perspectives, Birkhauser/Springer
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400170
[Journal Article] A remark on the energy estimates for wave equations with integrable in time speed of propagation2017
- Author(s)
  M. R. Ebert, L. Fitriana and F. Hirosawa
- Journal Title
  
  Trends in Mathematics, New Trends in Analysis and Interdisciplinary Applications
  
  Volume: - Pages: 481-488
- DOI
  10.1007/978-3-319-48812-7_61
- ISBN
  9783319488103, 9783319488127
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Journal Article] A class of non-analytic functions for the global solvability of Kirchhoff equation2015
- Author(s)
  F. Hirosawa
- Journal Title
  
  Nonlinear Anal.
  
  Volume: 116 Pages: 37-63
- DOI
  10.1016/j.na.2014.12.016
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400170
[Journal Article] On the energy estimates of the wave equation with time dependent propagation speed asymptotically monotone functions2015
- Author(s)
  M. R. Ebert, L. Fitriana and F. Hirosawa
- Journal Title
  
  J. Math. Anal. Appl.
  
  Volume: 432 Issue: 2 Pages: 654-677
- DOI
  10.1016/j.jmaa.2015.06.051
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Journal Article] On the global solvability for semilinear wave equations with smooth time dependent propagation speeds. Asymptotic Profiles, Regularity and Well-Posedness2013
- Author(s)
  F. Hirosawa, T. Inooka and T. D. Pham
- Journal Title
  
  Springer Proc. Math.(Springer, Heidelberg)
  
  Volume: 44(ISBN:978-3-319-00124-1) Pages: 153-181
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] On the global solvability for semilinear wave equations with smooth time dependent propagation speeds2013
- Author(s)
  F. Hirosawa, T. Inooka and T. D. Pham
- Journal Title
  
  Springer Proc. Math.
  
  Volume: 44 Pages: 153-181
- DOI
  10.1007/978-3-319-00125-8_7
- ISBN
  9783319001241, 9783319001258
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] On the global solvability for semilinear wave equations with smooth time dependent propagation speeds2013
- Author(s)
  F. Hirosawa, T. Inooka, T. D. Pham
- Journal Title
  
  Springer Proc. in Math. & Statistics
  
  Volume: 44
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Journal Article] On second order weakly hyperbolic equations and the ultradifferentiable classes2013
- Author(s)
  F. Hirosawa and H. Ishida
- Journal Title
  
  J. Differential Equations
  
  Volume: 255 Issue: 7 Pages: 1437-1468
- DOI
  10.1016/j.jde.2013.05.006
- NAID
  120005341909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] Generalized energy conservation for Klein-Gordon type equations2012
- Author(s)
  C. Böhme and F. Hirosawa
- Journal Title
  
  Osaka J. Math.
  
  Volume: 49 Pages: 297-323
- NAID
  120005173775
- URL
  http://www.math.sci.osaka-u.ac.jp/ojm/contents.html
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] Generalized energy conservation for Klein-Gordon type equations2012
- Author(s)
  Christiane Boehme, Fumihiko Hirosawa
- Journal Title
  
  Osaka Journal of Mathematics
  
  Volume: Vol. 49, No.2 Issue: 4 Pages: 297-323
- DOI
  10.1007/s00208-007-0132-0
- NAID
  120005173775
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Journal Article] On energy estimates for second order hyperbolic equations with Levi conditions for higher order regularity2011
- Author(s)
  Fumihiko Hirosawa, Tang Bao Ngoc Bui
- Journal Title
  
  Annali dell'Universita di Ferrara. Sezione VII Scienze Matematiche
  
  Volume: Vol.57,No.2 Issue: 2 Pages: 317-339
- DOI
  10.1007/s11565-011-0121-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176, KAKENHI-PROJECT-22540197
[Journal Article] Energy estimates of wave equations with variable propagation speed in bounded domain2010
- Author(s)
  Hirosawa, F.
- Journal Title
  
  Algebraic structures in partial differential equations related to complex and Clifford analysis, 189-207, Ho Chi Ming City Univ.Educ.Press, Ho Chi Minh City, 2010
  
  Pages: 189-207
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] Energy estimates for wave equations with time dependent propagation speeds in the Gevrey class2010
- Author(s)
  廣澤史彦
- Journal Title
  
  Journal of Differential Equations
  
  Volume: 248 Pages: 2972-2993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Journal Article] Energy estimates for wave equations with time dependent propagation speeds in the Gevrey class2010
- Author(s)
  F.Hirosawa
- Journal Title
  
  Journal of Differential Equations
  
  Volume: 248 Pages: 2972-2993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] On second order weakly hyperbolic equations with oscillating coefficients and regularity loss of the solutions2010
- Author(s)
  F.Hirosawa
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 283 Pages: 1771-1794
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540197
[Journal Article] On second order weakly hyperbolic equations with oscillating coefficients and regularity loss of the solutions2010
- Author(s)
  Fumihiko Hirosawa
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: Vol.283, No.12 Issue: 12 Pages: 1771-1794
- DOI
  10.1002/mana.200810013
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Journal Article] Generalized energy conservation for wave equations with time-depending coefficients under stabilization properties. Further progress in analysis2009
- Author(s)
  F. Hirosawa
- Journal Title
  
  World Sci. Publ., Hackensack, NJ
  
  Pages: 444-453
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] Generalised energy conservation law for the wave equations with variable propagation speed2009
- Author(s)
  F.Hirosawa, J.Wirth
- Journal Title
  
  J.Math.Anal.Appl. 358
  
  Pages: 56-74
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] Generalised energy conservation law for the wave equations with variable propagation speed2009
- Author(s)
  F. Hirosawa, J. Wirth
- Journal Title
  
  Journal of Mathematical Analysis and Applications 1
  
  Pages: 56-74
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] Loss of regularity for p-evolution type models2008
- Author(s)
  F. Hirosawa
- Journal Title
  
  Journal of Mathematical Analysis and Applications 347
  
  Pages: 35-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] Loss of regularity for p-evolution type models2008
- Author(s)
  M. Cicognani, F. Hirosawa, M. Reissig
- Journal Title
  
  Journal of Mathematical Analysis and Applications 1
  
  Pages: 35-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] On the Gevrey well-posedness for second order strictly hyperbolic Cauchy problems under the influence of the regularity of the coefficients2008
- Author(s)
  M. Cicognani, F. Hirosawa
- Journal Title
  
  Mathematica Scandinavica 2
  
  Pages: 283-304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] On the Gevrey well-posedness for second order strictly hyperbolic Cauchy problems under the influence of the regularity of the coefficients2008
- Author(s)
  F. Hirosawa
- Journal Title
  
  Mathematica Scandinavica 102
  
  Pages: 283-304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] The Log-effect for p-evolution type models2008
- Author(s)
  F. Hirosawa
- Journal Title
  
  Journal of the Mathematical Society of Japan 60
  
  Pages: 819-863
- NAID
  10024331949
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] C^-m-theory of damped wave equations with stabilisation2008
- Author(s)
  F. Hirosawa
- Journal Title
  
  Journal of Mathematical Analysis and Applications 343
  
  Pages: 1022-1035
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] The Log-effect for p-evolution type models2008
- Author(s)
  M. Cicognani, F. Hirosawa, M. Reissig, M
- Journal Title
  
  Journal of the Mathematical Society of Japan 3
  
  Pages: 819-863
- NAID
  10024331949
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] C^m-theory of damped wave equations with stabilisation2008
- Author(s)
  F. Hirosawa, J. Wirth
- Journal Title
  
  Journal of Mathematical Analysis and Applications 2
  
  Pages: 1022-1035
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] On the asymptotic behavior of the energy for the wave eauations with time depending coefficients2007
- Author(s)
  F.Hirosawa
- Journal Title
  
  Mathematische Annalen 339
  
  Pages: 49-70
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] On the asymptotic behavior of the energy for the wave equations with time depending coefficients2007
- Author(s)
  F. Hirosawa
- Journal Title
  
  Mathematische Annalen 4
  
  Pages: 819-839
- NAID
  40015709707
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740072
[Journal Article] Levi condition for hyperbolic equations with oscillating coefficients2006
- Author(s)
  F.Hirosawa, M.Reissig
- Journal Title
  
  Journal of Differential Equations 223・2
  
  Pages: 329-350
- Data Source
  KAKENHI-PROJECT-16740098
[Journal Article] Global solvability for Kirchhoff equation in special classes of non-analytic functions2006
- Author(s)
  F.Hirosawa
- Journal Title
  
  Journal of Differential Equations 230・1
  
  Pages: 49-70
- Data Source
  KAKENHI-PROJECT-16740098
[Journal Article] Loss of regularity for second order hyperbolic equations with singular coefficients2005
- Author(s)
  Hirosawa, F.
- Journal Title
  
  Osaka J.Math. 42・4
  
  Pages: 767-790
- NAID
  120005986857
- Data Source
  KAKENHI-PROJECT-16740098
[Journal Article] About the optimality of oscillations in non-Lipschitz coefficients for strictly hyperbolic equations2004
- Author(s)
  Hirosawa, F., Reissig, M.
- Journal Title
  
  Ann.Scuol a Norm.Sup.Pisa Cl.Sci.(5) 8・3
  
  Pages: 589-608
- Data Source
  KAKENHI-PROJECT-16740098
[Journal Article] On the global solvability for semilinear wave equations with smooth time dependent propagation speeds
- Author(s)
  Fumihiko Hirosawa, Takuhiro Inooka,Trieu Duong Pham
- Journal Title
  
  Springer Proceedings in Mathematics and Statistics
  
  Volume: Vol.44, (掲載決定済み)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Journal Article] On second order weakly hyperbolic equations and the ultradifferentiable classes
- Author(s)
  Haruhisa Ishida, Fumihiko Hirosawa
- Journal Title
  
  Journal of Differential Equations
  
  Volume: (掲載決定済み)
- NAID
  120005341909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] 変数係数波動方程式と半離散波動方程式の初期値問題2024
- Author(s)
  廣澤史彦
- Organizer
  第３９回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Remarks on the oscillation frequency of time dependent coefficient for the energy estimates of wave equations2023
- Author(s)
  廣澤史彦
- Organizer
  松本偏微分方程式研究集会
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Global solvability for semi-discrete Kirchhoff equation2023
- Author(s)
  Fumihiko Hirosawa
- Organizer
  14th International ISAAC Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Kirchhoff 型半離散波動方程式の大域可解性について2023
- Author(s)
  廣澤史彦
- Organizer
  第３８回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 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2022
- Author(s)
  廣澤史彦
- Organizer
  Saga Workshop on Partial Differential Equations
- Invited
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Kirchhoff 型半離散波動方程式の大域可解性2022
- Author(s)
  廣澤史彦
- Organizer
  第３７回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 半離散型キルヒホフ方程式の大域可解性2022
- Author(s)
  廣澤史彦
- Organizer
  駿河台偏微分方程式研究集会
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] On the energy estimates of semi-discrete wave equations with time dependent propagation speed2021
- Author(s)
  Fumihiko Hirosawa
- Organizer
  13th ISAAC Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 時間に依存するポテンシャル項を持つクライン・ゴルドン型方程式のエネルギー評価2021
- Author(s)
  廣澤史彦
- Organizer
  2021 年度 RIMS 共同研究（グループ型）時間依存するハミルトニアンに対する散乱理論および超局所解析の新展開
- Invited
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 伝播速度が時間に依存する半離散波動程式のエネルギー評価2021
- Author(s)
  廣澤史彦
- Organizer
  半田山偏微分方程式研究集会
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] On the energy estimates of semi-discrete wave equations with time dependent propagation speed2021
- Author(s)
  廣澤史彦
- Organizer
  第３６回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 変数係数離散型波動方程式のエネルギー評価2020
- Author(s)
  廣澤史彦
- Organizer
  第３５回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Recent progress on the wave equations with time dependent propagation speed2019
- Author(s)
  F. Hirosawa
- Organizer
  Anomalies in Partial Differential Equations
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Energy estimates for Klein-Gordon type equations with time dependent mass2019
- Author(s)
  F. Hirosawa
- Organizer
  12th International ISAAC Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 変数係数波動方程式の低周波領域における評価とその応用2019
- Author(s)
  廣澤史彦
- Organizer
  第34回松山キャンプ
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] Some properties of time dependent propagation speed of the wave equation for the estimates of low frequency energy2019
- Author(s)
  F. Hirosawa
- Organizer
  12th International ISAAC Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] On the energy estimate for Klein-Gordon type equations with time dependent singular mass2018
- Author(s)
  廣澤史彦
- Organizer
  熊本大学応用解析セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 変数係数波動方程式の低周波領域における評価とその応用2018
- Author(s)
  廣澤史彦
- Organizer
  第25回超局所解析と古典解析
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] On the energy estimate for Klein-Gordon type equations with time dependent singular mass2018
- Author(s)
  廣澤史彦
- Organizer
  日本数学会秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] 振動する係数を持つ2階弱双曲型方程式のC無限級適切性について2018
- Author(s)
  廣澤史彦
- Organizer
  第33回松山キャンプ
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the wave equations with time dependent coefficients and its applications to the Kirchhoff type equation2018
- Author(s)
  F. Hirosawa
- Organizer
  Bilateral Mini-Workshop of NTNU and Yamaguchi University on Mathematics and its Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] Wave equations with variable coefficients2018
- Author(s)
  F. Hirosawa
- Organizer
  Analysis seminar, Sebelas Maret University
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the energy estimate for Klein-Gordon type equations with time dependent singular mass2018
- Author(s)
  廣澤史彦
- Organizer
  名古屋偏微分方程式研究集会
- Data Source
  KAKENHI-PROJECT-18K03372
[Presentation] On the well-posedness for second order hyperbolic equations with time dependent oscillating coefficients2017
- Author(s)
  F. Hirosawa
- Organizer
  11 th ISAAC Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 時間に依存するポテンシャルを持つKlein-Gordon型方程式のエネルギー評価2017
- Author(s)
  廣澤史彦
- Organizer
  第32回松山キャンプ
- Place of Presentation
  山口大学 (山口県, 山口市)
- Year and Date
  2017-01-04
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 振動する係数を持つ2階弱双曲型方程式のC無限級適切性について2017
- Author(s)
  廣澤史彦
- Organizer
  函館偏微分方程式研究集会
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the well-posedness for second order hyperbolic equations with time dependent coeffcients2017
- Author(s)
  F. Hirosawa
- Organizer
  Freiberg工科大学解析セミナー
- Place of Presentation
  TU Bergakademie Freiberg, Freiberg (Germany)
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 振動する係数を持つ2階弱双曲型方程式のC無限級適切性について2017
- Author(s)
  廣澤史彦
- Organizer
  第24回超局所解析と古典解析
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] Energy estimates for the Cauchy problem of Klein-Gordon type equation with non-effective and very fast oscillating time-dependent mass2016
- Author(s)
  廣澤史彦
- Organizer
  彦根偏微分方程式研究集会
- Place of Presentation
  滋賀県立大学 (滋賀県, 彦根市)
- Year and Date
  2016-10-08
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] Energy estimates for the Cauchy problem of Klein-Gordon type equation with non-effective and very fast oscillating time-dependent mass2016
- Author(s)
  廣澤史彦
- Organizer
  第23回超局所解析と古典解析
- Place of Presentation
  大分県別府市ふれあい広場サザンクロス (大分県, 別府市)
- Year and Date
  2016-12-03
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] Energy estimates for the Cauchy problem of Klein-Gordon type equation with time dependent potential2016
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2016年度年秋季総合分科会
- Place of Presentation
  関西大学 (大阪府, 吹田市)
- Year and Date
  2016-09-15
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 変数係数波動方程式の初期値問題の解析とその応用2015
- Author(s)
  廣澤史彦
- Organizer
  愛媛大学解析セミナー
- Place of Presentation
  愛媛大学（愛媛県，松山市）
- Year and Date
  2015-11-21
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 時間に依存する係数を持つ波動方程式の解析とその応用2015
- Author(s)
  廣澤史彦
- Organizer
  日本数学会秋季合分科会関数方程式分科会
- Place of Presentation
  京都産業大学（京都府，京都市）
- Year and Date
  2015-09-13
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation2015
- Author(s)
  F. Hirosawa
- Organizer
  Recent progress in evolution equations
- Place of Presentation
  Guangdong University of Finance, Guangzhou (China)
- Year and Date
  2015-08-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the energy estimates for the wave equations with decaying propagation speed2015
- Author(s)
  F. Hirosawa
- Organizer
  10th ISAAC Congress
- Place of Presentation
  University of Macau (Macau)
- Year and Date
  2015-08-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the energy estimates for the wave equations with decaying propagation speed2015
- Author(s)
  廣澤史彦
- Organizer
  武蔵野偏微分方程式研究集会
- Place of Presentation
  日本医科大学（東京都，武蔵野市）
- Year and Date
  2015-10-10
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 変数係数波動方程式の初期値問題の解析とその応用2015
- Author(s)
  廣澤史彦
- Organizer
  南大阪応用数学セミナー
- Place of Presentation
  大阪市立大学（大阪府，大阪市）
- Year and Date
  2015-11-28
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] 変数係数波動方程式とKirchhoff方程式の大域可解性2014
- Author(s)
  廣澤史彦
- Organizer
  九州大学関数方程式セミナー
- Place of Presentation
  福岡大学・セミナーハウス
- Year and Date
  2014-06-13
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2014
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学（東京都豊島区）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2014
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学(東京都)
- Year and Date
  2014-03-15
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation2014
- Author(s)
  廣澤史彦
- Organizer
  第29回松山キャンプ
- Place of Presentation
  山口大学理学部（山口市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] 変数係数波動方程式とKirchhoff方程式の大域可解性2014
- Author(s)
  廣澤史彦
- Organizer
  神楽坂解析セミナー
- Place of Presentation
  東京理科大学（東京都新宿区）
- Year and Date
  2014-05-24
- Invited
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] Some classes of non-analytic functions for the global solvability of Kirchhoff equation2014
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学（東京都豊島区）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2013
- Author(s)
  F. Hirosawa
- Organizer
  9th ISAAC Congress (Qualitative Properties of Evolution Models) at Pedagogical University of Cracow
- Place of Presentation
  Cracow, Poland
- Year and Date
  2013-08-09
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] Ultradifferentiable class の係数を持つ退化波動方程式の適切性について2013
- Author(s)
  廣澤史彦
- Organizer
  第28回松山キャンプ
- Place of Presentation
  山口大学理学部（山口市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation2013
- Author(s)
  廣澤史彦
- Organizer
  太宰府偏微分方程式研究集会
- Place of Presentation
  九州情報大学（太宰府市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation2013
- Author(s)
  F. Hirosawa
- Organizer
  The 20th "Microlocal Analysis and Classical Analysis"
- Place of Presentation
  京都大学（京都市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation2013
- Author(s)
  廣澤史彦
- Organizer
  Linear and Nonlinear Waves, No. 11
- Place of Presentation
  ピアザ淡海滋賀県立県民交流センター（大津市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2013
- Author(s)
  F. Hirosawa
- Organizer
  9th ISAAC Congress
- Place of Presentation
  Pedagogical University of Cracow, Cracow, Poland
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] Ultradifferentiable class の係数を持つ退化波動方程式の適切性について2013
- Author(s)
  廣澤史彦
- Organizer
  第28回松山キャンプ
- Place of Presentation
  山口大学理学部
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On the global solvability for semilinear wave equations with smooth propagation speeds2012
- Author(s)
  廣澤史彦
- Organizer
  The 4th Nagoya Workshop on Differential Equations
- Place of Presentation
  名古屋大学(愛知県)(招待講演)
- Year and Date
  2012-03-06
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On the wave equation with variable propagation speed2012
- Author(s)
  Fumihiko Hirosawa
- Organizer
  20th ICFIDCAA
- Place of Presentation
  Hanoi Univ. of Sci. & Tech. (Vietnam)
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2012
- Author(s)
  廣澤史彦
- Organizer
  第19回超局所解析と古典解析
- Place of Presentation
  かんぽの宿北九州（北九州市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the wave equation with variable propagation speed2012
- Author(s)
  F. Hirosawa
- Organizer
  20th ICFIDCAA
- Place of Presentation
  Hanoi University of Science and Technology, Ha-Noi, Vietnam
- Invited
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2012
- Author(s)
  F. Hirosawa
- Organizer
  Fourier Analysis and Partial Differential Operators
- Place of Presentation
  Aalto University, Helsinki, Finland
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] 双曲型方程式系のエネルギー評価におけるLevi条件について2012
- Author(s)
  F.Hirosawa
- Organizer
  第27回松山キャンプ
- Place of Presentation
  山口大学(山口)
- Year and Date
  2012-01-07
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2012
- Author(s)
  Fumihiko Hirosawa
- Organizer
  Fourier Analysis and Partial Differential Operators
- Place of Presentation
  Aalto Univ. (Finland)
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On second order weakly hyperbolic equations and the ultradifferentiable classes2012
- Author(s)
  廣澤史彦
- Organizer
  函館偏微分方程式研究集会
- Place of Presentation
  公立はこだて未来大学（函館市）
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the global solvability for semilinear wave equations with smooth propagation speeds2012
- Author(s)
  廣澤史彦
- Organizer
  4th Nagoya Workshop on Differential Equations
- Place of Presentation
  名古屋大学
- Year and Date
  2012-03-06
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On the global solvability for semilinear wave equations with smooth propagation speeds2012
- Author(s)
  F.Hirosawa
- Organizer
  The 4th Nagoya Workshop on Differential Equations
- Place of Presentation
  名古屋大学(名古屋)
- Year and Date
  2012-03-06
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the global solvability for semilinear wave equations with smooth propagation speeds2012
- Author(s)
  F. Hirosawa
- Organizer
  The 4th Nagoya Workshop on Differential Equations
- Place of Presentation
  名古屋大学(名古屋市)
- Year and Date
  2012-03-06
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the global solvability for semilinear wave equations with smooth propagation speeds2011
- Author(s)
  F.Hirosawa
- Organizer
  Fifth International Conference on Complex Analysis & Dynamical Systems
- Place of Presentation
  アッコ・イスラエル
- Year and Date
  2011-05-26
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates for second order homogeneous hyperbolic equations with Levi-type conditions2011
- Author(s)
  F.Hirosawa
- Organizer
  26th Matsuyama Camp : Recent Development on Partial Differential Equations
- Place of Presentation
  龍谷大学
- Year and Date
  2011-01-08
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates of second order hyperbolic equations with time dependent coefficients2010
- Author(s)
  廣澤史彦
- Organizer
  第六回非線型の諸問題
- Place of Presentation
  山口大学
- Year and Date
  2010-09-16
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] Genaralized energy conservation for Klein-Gordon equations with effective mass terms2010
- Author(s)
  廣澤史彦, C. Bohme
- Organizer
  発展方程式シンポジウム, 東海大学理学部
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the energy estimates of second order hyperbolic equations with time dependent coefficients2010
- Author(s)
  F.Hirosawa
- Organizer
  International Workshop "Fourier Analysis and Partial Differential Equations"
- Place of Presentation
  ゲッチンゲン大学・ドイツ
- Year and Date
  2010-06-15
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates of second order hyperbolic equations with time dependent coefficients2010
- Author(s)
  F. Hirosawa
- Organizer
  Workshop on Fourier Analysis and Partial Differential Equations at University of Göttingen
- Place of Presentation
  Göttingen, Germany
- Year and Date
  2010-06-15
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] Genaralized energy conservation for Klein-Gordon equations with effective mass terms2010
- Author(s)
  廣澤史彦
- Organizer
  発展方程式シンポジウム
- Place of Presentation
  神奈川(東海大学)
- Year and Date
  2010-03-12
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Gevrey classの係数を持つKlein-Gordon型方程式のエネルギー評価2010
- Author(s)
  廣澤史彦, C. Bohme
- Organizer
  松山キャンプ
- Place of Presentation
  愛媛県総合社会福祉会館
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Generalized energy conservation for Klein-Gordon type equations2010
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2010年度秋季総合分科会
- Place of Presentation
  名古屋大学
- Year and Date
  2010-09-23
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates of second order hyperbolic equations with time dependent coefficients2010
- Author(s)
  廣澤史彦
- Organizer
  新潟偏微分方程式研究集会
- Place of Presentation
  新潟大学
- Year and Date
  2010-10-09
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates for second order homogeneous hyperbolic equations with Levi-type conditions2010
- Author(s)
  F.Hirosawa
- Organizer
  Microlocal Day#2
- Place of Presentation
  Imperial College London
- Year and Date
  2010-12-03
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] On the energy estimates of second order hyperbolic equations with time dependent coefficients2010
- Author(s)
  廣澤史彦
- Organizer
  新潟偏微分方程式研究集会
- Place of Presentation
  新潟大学
- Year and Date
  2010-10-09
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On the energy estimates of second order hyperbolic equations with timedependent coefficients2010
- Author(s)
  廣澤史彦
- Organizer
  新潟偏微分方程式研究集会
- Place of Presentation
  新潟大学(新潟県)
- Year and Date
  2010-10-09
- Data Source
  KAKENHI-PROJECT-22540176
[Presentation] On the energy estimates for second order homogeneous hyperbolic equations with Levi-type conditions2010
- Author(s)
  F. Hirosawa
- Organizer
  Microlocal Day #2 at Imperial College London
- Place of Presentation
  London, UK
- Year and Date
  2010-12-03
- Data Source
  KAKENHI-PROJECT-22540197
[Presentation] Wave equations with time depending propagation speed2009
- Author(s)
  F. Hirosawa
- Organizer
  17th ICFIDCAA at Ho Chi Minh City University of Pedagogy
- Place of Presentation
  Ho-Chi-Minh, Vietnam
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] 変数係数波動方程式の解の安定性について2009
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2009年度年会, 関数解析学分科会
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] 変数係数波動方程式の解の安定性について2009
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2009年度年会
- Place of Presentation
  東京
- Year and Date
  2009-03-26
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Wave equations with time depending propagation speed2009
- Author(s)
  F.Hirosawa
- Organizer
  17th ICFIDCAA
- Place of Presentation
  ホーチミン(ベトナム)
- Year and Date
  2009-08-06
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Energy estimates for wave equations with time dependent coefficients2009
- Author(s)
  廣澤史彦
- Organizer
  24th松山キャンプ
- Place of Presentation
  山口大学
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Energy estimates for wave equations with time dependent coefficients2009
- Author(s)
  F. Hirosawa
- Organizer
  第24回松山キャンプ
- Place of Presentation
  山口
- Year and Date
  2009-01-15
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Energy estimates for wave equations with time dependent propagation speeds of Gevrey class2009
- Author(s)
  廣澤史彦
- Organizer
  微分方程式の総合的研究
- Place of Presentation
  東京(東京大学)
- Year and Date
  2009-12-19
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] "Energy estimates for wave equations with time dependent propagation speeds of Gevrey class", 微分方程式の総合的研究2009
- Author(s)
  廣澤史彦
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Wave equations with time dependent coefficients2009
- Author(s)
  F. Hirosawa
- Organizer
  7th ISAAC Congress (Dispersive Equations) at Imperial College London
- Place of Presentation
  London, UK
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Wave equations with time dependent coefficients2009
- Author(s)
  F.Hirosawa
- Organizer
  7th ISAAC Congress
- Place of Presentation
  ロンドン(イギリス)
- Year and Date
  2009-07-17
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Kirchhoff方程式と変係数波動方程式2009
- Author(s)
  廣澤史彦
- Organizer
  八王子偏微分方程式研究集会
- Place of Presentation
  八王子セミナーハウス
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On wave equations with time dependent coefficients of the Gevrey class2008
- Author(s)
  F. Hirosawa
- Organizer
  Scientific program of the workshop "Evolution equations" at TU Bergakademie Freiberg
- Place of Presentation
  Freiberg, Germany
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] C^m-theory of damped wave equations with stabilization2008
- Author(s)
  廣澤史彦
- Organizer
  日本数学会年会・函数方程式論分科会
- Place of Presentation
  大阪
- Year and Date
  2008-03-23
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Cm-theory of damped wave equations with stabilization2008
- Author(s)
  廣澤史彦, J. Wirth
- Organizer
  日本数学会2008年度年会函数方程式論分科会
- Place of Presentation
  近畿大学
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On wave equations with time dependent coefficients of the Gevrey class2008
- Author(s)
  F. Hirosawa
- Organizer
  Scientific program of the workshop Evolution equations
- Place of Presentation
  フライベルグ(ドイツ)
- Year and Date
  2008-10-01
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Generalized energy conservation law for the wave equations with time dependent propagation speed2008
- Author(s)
  廣澤史彦
- Organizer
  広島微分方程式研究集会
- Place of Presentation
  広島大学
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Generalized energy conservation law for the wave equations with time dependent propagation speed2008
- Author(s)
  廣澤史彦
- Organizer
  広島微分方程式研究集会
- Place of Presentation
  広島
- Year and Date
  2008-10-10
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Gevrey classの係数を持つ波動方程式のエネルギー評価について2008
- Author(s)
  廣澤史彦
- Organizer
  米子偏微分方程式研究集会
- Place of Presentation
  鳥取
- Year and Date
  2008-10-11
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] 振動する消散項を持つ波動方程式のエネルギー減衰について2008
- Author(s)
  廣澤史彦
- Organizer
  松山キャンプ
- Place of Presentation
  山口
- Year and Date
  2008-01-06
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] C^m-theory of damped wave equations with stabilization2008
- Author(s)
  廣澤史彦
- Organizer
  International Symposium "Function Spaces and Partial Differential Equations"
- Place of Presentation
  大阪
- Year and Date
  2008-02-20
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Cm-theory of damped wave equations with stabilization2008
- Author(s)
  F. Hirosawa, J. Wirth
- Organizer
  International Symposium "Function Spaces and Partial Differential Equations" at Osaka University
- Place of Presentation
  Japan
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] Gevrey classの係数を持つ波動方程式のエネルギー評価について2008
- Author(s)
  廣澤史彦
- Organizer
  米子偏微分方程式研究集会
- Place of Presentation
  米子高専
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the well-posedness for second order weakly hyperbolic Cauchy problems under the influences of the regularity of the coefficients2007
- Author(s)
  F. Hirosawa
- Organizer
  6th ISAAC Congress (Dispersive Equations) at Middle East Technical University
- Place of Presentation
  Ankara, Turkey
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the well-posedness for second order weakly hyperbolic cauchy problems under the influences of the regularity of the coefficients2007
- Author(s)
  F.Hirosawa
- Organizer
  6'th International Society for Analysis, its AppUcation and Computation
- Place of Presentation
  アンカラ(トルコ共和国)
- Year and Date
  2007-08-14
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the asymptotic behavior of the solutions for second order ordinary differential equations with variable coefficients2007
- Author(s)
  廣澤史彦
- Organizer
  山中湖偏微分方程式研究集会
- Place of Presentation
  東海大学山中湖セミナーハウス
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the well-posedness for second order weakly hyperbolic cauchy problems under the influences of the regularity of the coefficients2007
- Author(s)
  F.Hirosawa
- Organizer
  山中湖偏微分方程式研究集会
- Place of Presentation
  山梨
- Year and Date
  2007-10-06
- Data Source
  KAKENHI-PROJECT-19740072
[Presentation] On the energy estimates of the wave equation with time dependent propagation speed asymptotically monotone functions
- Author(s)
  廣澤史彦
- Organizer
  日本数学会2015年年会函数方程式論分科会
- Place of Presentation
  明治大学（東京都千代田区）
- Year and Date
  2015-03-21 – 2015-03-24
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] A class of non-analytic functions for the global solvability of Kirchhoff equation
- Author(s)
  F. Hirosawa
- Organizer
  The 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications
- Place of Presentation
  Autonomous University of Madrid, Spain
- Year and Date
  2014-07-07 – 2014-07-11
- Data Source
  KAKENHI-PROJECT-26400170
[Presentation] On the energy estimates for the wave equation with oscillating and decaying coefficient II
- Author(s)
  廣澤史彦
- Organizer
  釧路偏微分方程式研究集会
- Place of Presentation
  北海道教育大学釧路校
- Year and Date
  2014-10-11 – 2014-10-13
- Data Source
  KAKENHI-PROJECT-26400170

1. KINOSHITA Tamotu (90301077)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. KAJITANI Kunihiko (00026262)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. ISHIWATA Satoshi (70375393)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. ISHIDA Haruhisa (80312792)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. ITO Hiroya (30211056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TAKAMURA Hiroyuki (40241781)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. UESAKA Hiroshi (30059828)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hirosawa Fumihiko 廣澤 史彦

HIROSAWA Fumihiko 廣澤 史彦

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Wave equations with variable propagation speed and its application for the global solvability of Kirchhoff equationPrincipal Investigator

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Evolution equations with variable coefficients and their applications to Kirchhoff equationPrincipal Investigator

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Research on oscillation problems for degenerate hyperbolic equations

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The refined diagonalization procedure and a development on the evolution equations with smooth coefficientsPrincipal Investigator

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On the study of the lifespan for nonlinear hyperbolic systems

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On the asymptotic analysis of partial differential equations with variable coefficients and their applicationsPrincipal Investigator

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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Principal Investigator

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[Journal Article] On the Wave-Like Energy Estimates of Klein-Gordon Type Equations with Time Dependent Potential2023

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[Journal Article] On the energy estimates of semi-discrete wave equations with time dependent propagation speed2021

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[Journal Article] On The Energy Estimate for Klein-Gordon Type Equations with Time Dependent Singular Mass2019

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[Journal Article] Energy estimates for the Cauchy problem of Klein-Gordon-type equations with non-effective and very fast oscillating time-dependent potential2018

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[Journal Article] On the energy estimate for Klein-Gordon type equations with time dependent singular mass2018

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[Journal Article] A remark on the energy estimates for wave equations with integrable in time speed of propagation2017

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[Journal Article] A class of non-analytic functions for the global solvability of Kirchhoff equation2015

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Hirosawa Fumihiko 廣澤史彦

HIROSAWA Fumihiko 廣澤史彦