Updated on 2022/10/02

写真a

 
OI Shiho
 
Organization
Academic Assembly Institute of Science and Technology Fundamental Sciences Assistant Professor
Faculty of Science Department of Science Assistant Professor
Title
Assistant Professor
External link

Degree

  • 博士(理学) ( 2020.3   新潟大学 )

Research Interests

  • バナッハ環

  • 等距離写像

  • 保存問題

Research Areas

  • Natural Science / Basic analysis

  • Natural Science / Mathematical analysis

Research History

  • Niigata University   Faculty of Science Department of Science   Assistant Professor

    2020.6

Professional Memberships

 

Papers

  • Tingley's problems on uniform algebras Reviewed

    Osamu Hatori, Shiho Oi, Rumi Shindo Togashi

    Journal of Mathematical Analysis and Applications   503 ( 2 )   125346 - 125346   2021.11

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jmaa.2021.125346

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  • A spherical version of the Kowalski-Slodkowski theorem and its applications Reviewed

    Oi Shiho

    Journal of the Australian Mathematical Society   2020

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

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  • Hermitian operators and isometries on algebras of matrix-valued Lipschitz maps Reviewed

    Oi Shiho

    Linear and Multilinear Algebra   68 ( 6 )   1096 - 1112   2020

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

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  • Hermitian operators and isometries on injective tensor products of uniform algebras and C*-algebras Reviewed

    Hatori Osamu, Kawamura Kazuhiro, Oi Shiho

    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS   472 ( 1 )   827 - 841   2019.4

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jmaa.2018.11.052

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  • Algebraic reflexivity of isometry groups of algebras of Lipschitz maps Reviewed

    Oi Shiho

    LINEAR ALGEBRA AND ITS APPLICATIONS   566   167 - 182   2019.4

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

    DOI: 10.1016/j.laa.2018.12.033

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  • 2-local isometries on function spaces Reviewed

    O.Hatori, S.Oi

    Contemporary Mathematics   737   89 - 106   2019

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Mathematical Society  

    DOI: 10.1090/conm/737/14860

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  • Isometries on Banach algebras of vector-valued maps Reviewed

    Hatori Osamu, Oi Shiho

    ACTA SCIENTIARUM MATHEMATICARUM   84 ( 1-2 )   151 - 183   2018

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

    DOI: 10.14232/actasm-017-558-6

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  • Peculiar homomorphisms between algebras of vector-valued maps Reviewed

    Hatori Osamu, Oi Shiho, Takagi Hiroyuki

    STUDIA MATHEMATICA   242 ( 2 )   141 - 163   2018

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

    DOI: 10.4064/sm8799-6-2017

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  • Hermitian operators on Banach algebras of vector-valued Lipschitz maps (vol 452, pg 378, 2017) Reviewed

    Hatori Osamu, Oi Shiho

    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS   453 ( 2 )   1151 - 1152   2017.9

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

    DOI: 10.1016/j.jmaa.2017.04.058

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  • Hermitian operators on Banach algebras of vector-valued Lipschitz maps Reviewed

    Hatori Osamu, Oi Shiho

    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS   452 ( 1 )   378 - 387   2017.8

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

    DOI: 10.1016/j.jmaa.2017.03.015

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  • Peculiar homomorphisms on algebras of vector-valued continuously differentiable maps Reviewed

    O.Hatori, S.Oi, H.Takagi

    Linear and Nonlinear Analysis   3   101 - 109   2017

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  • Homomorphisms between algebras of Lipschitz functions with the values in function algebras Reviewed

    Oi Shiho

    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS   444 ( 1 )   210 - 229   2016.12

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

    DOI: 10.1016/j.jmaa.2016.06.015

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MISC

Presentations

  • C*環に値をとるリプシッツ環上のJordan* 準同型写像

    大井志穂

    日本数学会 2022年度秋季総合分科会  2022.9 

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    Event date: 2022.9

    Presentation type:Oral presentation (general)  

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  • C*環に値をとる連続写像のなすバナッハ環上の保存問題 Invited

    大井志穂

    第69回トポロジ―シンポジウム  2022.8 

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    Event date: 2022.8

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  • Jordan *-homomorphisms on *-algebras of vector-valued continuous maps Invited

    Shiho Oi

    Operators on Banach algebras and related topics, Tarbiat Modares University, Iran  2022.7 

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    Event date: 2022.7

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • C*環に値をとる連続写像のなすバナッハ環上のJordan* 同型写像

    大井志穂

    2021年度関数環研究集会  2021.12 

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    Presentation type:Oral presentation (general)  

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  • リプシッツ写像のなすBanach 環の距離構造と代数構造 Invited

    2021年度ジェネラルトポロジーシンポジウム  2021.12 

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    Presentation type:Oral presentation (invited, special)  

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  • Surjective linear isometries on unital C*-algebra valued Lipschitz algebras Invited

    Shiho Oi

    Research on preserver problems on Banach algebras and related topics, 京都大学(数理解析研究所)  2021.10 

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    Presentation type:Oral presentation (invited, special)  

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  • C*環に値をとるリプシッツ環の間の等距離写像 Invited

    大井志穂

    第60 回実函数論・函数解析学合同シンポジウム  2021.9 

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    Presentation type:Oral presentation (invited, special)  

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  • Surjective isometries on Banach algebras of Lipschitz maps taking values in a unital C*-algebra Invited

    Shiho Oi

    the 8th European Congress of Mathematics-8ECM, Minisymposum: Recent Developments on Preservers  2021.7 

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    Presentation type:Oral presentation (general)  

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  • 2-local isometries on commutative Banach algebras

    2021.3 

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    Presentation type:Oral presentation (general)  

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  • Order isomorphisms on spaces of continuous maps

    2020.11 

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    Presentation type:Oral presentation (general)  

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  • 行列環に値をとるLipschitz環の間の全射等距離写像について

    大井志穂

    日本数学会2020年度秋季総合分科会  2020.9 

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    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Reflexivity of isometry groups Invited

    大井志穂

    RIMS共同研究(公開型)「様々な関数空間上の等距離写像の研究」  2020.1 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:京都大学  

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  • 2-local isometries on spaces of continuous functions Invited

    大井志穂

    作用素論・作用素環論研究集会  2019.12 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:神奈川大学・横浜キャンパス  

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  • Hermitian operators on Banach algebras of vector-valued continuous maps

    Oi Shiho

    関数環研究集会  2019.12 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:日本大学理工学部  

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  • 関数空間の間の2-local map について Invited

    大井志穂

    第61 回関東作用素論セミナー  2019.7 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東洋大学白山キャンパス  

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  • Hermitian operators and surjective isometries on vector-valued Lipschitz spaces Invited International conference

    Oi Shiho

    Women in Operator Theory and its Applications  2019.6 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:University of Lisbon, Portugal  

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  • 2-local maps on spaces of continuous functions

    羽鳥理, 大井志穂

    日本数学会2019 年度年会  2019.3 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京工業大学  

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  • Algebraic reflexivity of the group of surjective linear isometries International conference

    Oi Shiho

    関数環研究集会  2018.12 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:金沢医科大学  

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  • Hermitian operators on spaces of vector-valued Lipschitz maps Invited International conference

    Oi Shiho

    Researches on theory of isometries and preserver problems from a various point of view(RIMS Conference)  2018.2 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Kyoto University  

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  • Surjective linear isometries on vector-valued Lipschitz algebras Invited International conference

    Oi Shiho

    The international meeting on Commutative algebra, Banach algebras (preserver probrem), Hypergroups and their related topics  2016.11 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Nara Chamber of Commerce and Industy  

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  • Peculiar isomorphisms on algebras of Lipschitz maps with values in uniform algebras Invited International conference

    Oi Shiho, Hatori Osamu, Takagi HIroyuki

    The international meeting on Commutative algebra, Banach algebras (preserver probrem), Hypergroups and their related topics  2016.11 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Nara Chamber of Commerce and Industy  

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  • Peculiar homomorphisms on commutative Banach algebras of vector-valued functions Invited International conference

    Oi Shiho, Hatori Osamu, Takagi HIroyuki

    Researches on isometries from various view points (RIMS Workshop)  2016.11 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Kyoto University  

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  • Hermitian operators on Banach algebras of vector-valued Lipschitz maps Invited International conference

    Oi Shiho

    Researches on isometries from various view points (RIMS Workshop)  2016.11 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Kyoto University  

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  • Homomorphisms on vector-valued Banach function algebras

    Oi Shiho, Hatori Osamu, Takagi HIroyuki

    第90 回米沢数学セミナー  2016.7 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:山形大学  

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  • On isometries of vector-valued Lipschitz algebras

    Hatori Osamu, Oi Shiho

    第90 回米沢数学セミナー  2016.7 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:山形大学  

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  • Lipschitz 環の写像に対する代数的反射性

    大井志穂

    つくばセミナー  2016.3 

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    Language:English   Presentation type:Oral presentation (general)  

    Venue:筑波大学  

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  • Lipschitz 環上の準同形写像について Invited

    大井志穂

    第89 回米沢数学セミナー「学術講演会」  2016.2 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:山形大学  

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  • 関数環に値をとるLipschitz 環上の準同形写像について

    大井志穂

    関数環研究集会  2015.12 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • Peripheral spectrum conditions for triple products of Lipschitz functions on non-compact metric spaces Invited International conference

    Oi Shiho

    International Conference on Preserver Problems and Related Topics  2015.5 

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    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Niigata University  

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Research Projects

  • バナッハ環の間の等距離写像

    Grant number:21K13804  2021.4 - 2025.3

    日本学術振興会  科学研究費助成事業 若手研究  若手研究

    大井志穂

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4420000 ( Direct Cost: \3400000 、 Indirect Cost:\1020000 )

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Teaching Experience (researchmap)

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Teaching Experience

  • 理学基礎演習

    2022
    Institution name:新潟大学

  • 数学基礎演習b

    2021
    Institution name:新潟大学

  • 理学スタディ・スキルズ

    2021
    Institution name:新潟大学

  • 数学講究

    2021
    Institution name:新潟大学

  • 数学の世界

    2021
    Institution name:新潟大学

  • 専門力アクティブ・ラーニング

    2021
    Institution name:新潟大学

  • 解析学基礎1

    2021
    Institution name:新潟大学

  • 数学基礎演習a

    2021
    Institution name:新潟大学

  • 関数空間特論

    2021
    Institution name:新潟大学

  • 解析学基礎2

    2021
    Institution name:新潟大学

  • 関数空間論

    2021
    Institution name:新潟大学

  • 数学演習B

    2020
    Institution name:新潟大学

  • 集合と写像

    2020
    Institution name:新潟大学

  • 数学演習A

    2020
    Institution name:新潟大学

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