Updated on 2024/12/14

写真a

 
KATO Isao
 
Organization
School of Medicine General Education Mathematics
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Degree

  • 博士(数理学) ( 2016.3   名古屋大学 )

  • 修士(数理学) ( 2009.3   名古屋大学 )

Education

  • Nagoya University

    - 2016.3

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    Country: Japan

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  • Nagoya University   Faculty of Science

    - 2007.3

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    Country: Japan

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Papers

  • Ill-posedness for the Half wave Schr\"odinger equation Reviewed

    Isao Kato

    Mathematische Zeitschrift   2024.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s00209-024-03452-5

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  • Global well-posedness and scattering for the Zakharov system at the critical space in three spatial dimensions with small and radial initial data Reviewed

    Isao Kato, Shinya Kinoshita

    Journal of Mathematical Analysis and Applications   2023.2

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    Language:English   Publishing type:Research paper (scientific journal)  

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  • Local well-posedness of a system describing laser-plasma interactions Reviewed

    Sebastian Herr, Isao Kato, Shinya Kinoshita, Martin Spitz

    Vietnam Journal of Mathematics   2022.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s10013-022-00577-0

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  • Local well-posedness for the quantum Zakharov system in three and higher dimensions Reviewed

    Isao Kato

    Journal of Hyperbolic Differential Equations   2021.7

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    Language:English   Publishing type:Research paper (scientific journal)  

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Presentations

  • Ill-posedness for the focusing half wave Schr\"odinger equation

    加藤勲

    応用解析研究会 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:早稲田大学  

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  • Ill-posedness for the half wave Schr\"odinger equations

    加藤勲

    偏微分方程式セミナー 

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    Event date: 2023.5

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:北海道大学  

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  • Ill-posedness for the Schr\odinger half wave equations

    加藤 勲

    HMA セミナー・冬の研究会 2023 

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    Event date: 2023.1

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • On the ill-posedness for the half wave Schr\odinger equation

    加藤 勲

    微分方程式セミナー 

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    Event date: 2022.10

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Ill-posedness for the half wave Schr\odinger equation

    加藤 勲

    日本数学会2022年度秋季総合分科会 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • A note on the ill-posedness for the wave guide Schr\odinger equations

    加藤 勲

    非線型の諸問題 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • A remark on the ill-posedness for the half wave Schr\odinger equations

    加藤 勲

    NLPDE セミナー 

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    Event date: 2022.4

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Ill-posedness for the half wave Schr\odinger equations

    加藤 勲

    微分方程式セミナー 

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    Event date: 2021.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:大阪大学  

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  • Ill-posedness for the half wave Schr\odinger equation

    加藤 勲

    MZ セミナー 

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    Event date: 2021.12

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Local well-posedness for the degenerate Zakharov system

    加藤 勲

    2021 NLPDE one day セミナー 

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    Event date: 2021.7

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • On the Cauchy problem for the Zakharov system in three spatial dimensions with radial initial data

    Isao Kato

    The 5th KTGU Mathematics Workshop for Young Researchers 

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    Event date: 2020.2

    Language:English   Presentation type:Oral presentation (general)  

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  • On the Cauchy problem for the Zakharov system in three spatial dimensions with radial initial data

    加藤 勲

    第4回 PDE Workshop in Miyazaki 

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    Event date: 2020.1

    Language:Japanese   Presentation type:Oral presentation (general)  

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Research Projects

  • 空間変数に関し非対称な非線型分散型方程式の平滑化効果による適切性の解明

    2020.4 - 2023.2

    特別研究員奨励費

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    空間変数に関して非対称な方程式,例えば Half wave Schr\odinger 方程式が挙げられるが,この方程式について滑らかさが低い場合の初期値に対する適切性結果はあまり知られていない.そこで非適切性の成立する初期値の滑らかさの範囲を調べることにより,適切性の成立する滑らかさの下限を決定したい.定在波のような方程式の特殊解を用いること,あるいは方程式のもつ不変則(Galilei 変換,尺度変換)を使ってある程度の範囲における非適切性結果を導くことができる.

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  • 空間変数に関して非対称な非線型分散型方程式の初期値問題の適切性

    2020.4 - 2023.2

    科学研究費補助金 

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    非線型分散型方程式の初期値問題の適切性について考察を行ってきた.特に,Zakharov 方程式などの物理背景を持つ連立形方程式について,初期値の滑らかさが低い場合の適切性,解の時間大域的な挙動を考察した.また,Half wave Schr\odinger 方程式のような空間変数に関して非対称な方程式に対する非適切性結果を導いた.

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Academic Activities

  • 京都大学 オンライン研究集会 Workshop on dispersive equations 世話人 International contribution

    2020.9

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