Researcher Search Results Atsushiba Sachiko Atsushiba Sachiko (厚芝 幸子) Please select the form format to download from below 「Education and research environment」format 「No. 4, the Ministry of Education document style ①Outline for Vitae」format 「No. 4, the Ministry of Education document style ②Education and research environment」format Profile Information AffiliationProfessor, School of Arts and Sciences, Division of Mathematical Sciences, Tokyo Woman's Christian UniversityDegree修士(理学)(Mar, 1995, 東京工業大学)博士(理学)(Mar, 1998, 東京工業大学)Researcher number20327761J-GLOBAL ID200901006828222097researchmap Member ID1000366099 Research Interests 4 非線形解析学 非線形関数解析学 実函数論 不動点理論 Research Areas 1 Natural sciences / Basic analysis / 不動点理論 Research History 8 Apr, 2025 - Present 東京女子大学現代教養学部情報数理科学科情報数理科学専攻 教授 Apr, 2024 - Present 東京女子大学現代教養学部数理科学科情報数理科学専攻 教授 Apr, 2020 - Mar, 2024 Tokyo Woman's Christian University Apr, 2012 - Mar, 2020 Graduate School of Education, University of Yamanashi Apr, 2008 - Mar, 2012 University of Yamanashi More Education 3 Apr, 1995 - Mar, 1998 Graduate School of Information Science and Engineering, Tokyo Institute of Technology Apr, 1993 - Mar, 1995 Graduate School of Science and Engineering, Tokyo Institute of Technology Apr, 1989 - Mar, 1993 School of Science, Tokyo Institute of Technology Committee Memberships 3 Apr, 1997 - Present Local Organizing Committee, The International Conference on Nonlinear Analysis and Convex Analysis Jan, 2023 - Jan, 2026 日本数学会実函数論分科会実解析グループ合同シンポジウム委員, 日本数学会 Mar, 2014 - Feb, 2016 地方区代議委員, 日本数学会 Papers 101 Convergence theorems of implicit and explicit type iterations for generalized nonexpansive mappings Sachiko Atsushiba Fixed Point Methods and Optimization, 1-12, Mar, 2026 Peer-reviewedLead authorLast authorCorresponding author Nonlinear mean convergence theorems for monotone generalized nonexpansive-type mappings Sachiko Atsushiba RIMS Kokyuroku, Nonlinear analysis and convex analysis, Mar, 2026 Lead authorLast author Weak and strong convergence theorems for mean nonexpansive mappings in Banach spaces Sachiko Atsushiba Nonlinear Functional Analysis and its Applicactions, 51-65, Mar, 2026 Lead authorLast authorCorresponding author Fixed point results for some generalized nonexpansive mappings Sachiko Atsushiba RIMS Kokyuroku, Theory of function spaces and related topics, 10-16, Feb, 2026 Lead authorLast authorCorresponding author Weak and strong convergence theorems for monotone nonexpansive-type mappings in Banach spaces Sachiko Atsushiba Nonlinear analysis and convex analysis, RIMS Kokyuroku, 2323(31) 233-240, Jul, 2025 InvitedLead authorCorresponding author More Misc. 6 STRONG CONVERGENCE TO COMMON ATTRACTIVE POINTS OF ASYMPTOTICALLY REGULAR NONEXPANSIVE SEMIGROUPS (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1923 118-124, Nov, 2014 STRONG CONVERGENCE THEOREMS FOR FAMILIES OF NONEXPANSIVE MAPPINGS BY BROWDER'S TYPE ITERATIONS (Mathematics for Uncertainty and Fuzziness) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1906 24-33, Jul, 2014 VISCOSITY APPROXIMATION METHODS FOR FIXED POINTS PROBLEMS (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1755 124-130, Aug, 2011 WEAK AND STRONG CONVERGENCE THEOREMS FOR A FAMILY OF RELATIVELY NONEXPANSIVE MAPPINGS IN BANACH SPACES (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1611 67-75, Sep, 2008 STRONG AND WEAK CONVERGENCE THEOREMS FOR A COUNTABLE FAMILY OF NONEXPANSIVE MAPPINGS IN BANACH SPACES(The structure of Banach spaces and Function spaces) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1520 96-103, Oct, 2006 More Presentations 32 Weak and strong convergence theorems for some generalized nonexpansive mappings Sachiko Atsushiba The 30th Annual meeting in Mathematics 2026(AMM 2026) & ConCounterence in Number Theory and Applications 2026(CNA 2026), May 29, 2026 Approximation of fixed points of some generalized nonexpansive mappings · Sachiko Atsushiba MSJ Spring Meeting 2026, Mar 25, 2026 Fixed point results for some generalized nonexpansive mappings Sachiko Atsushiba Rims Symposia, Theory of function spaces and related topics, Dec 15, 2025 Nonlinear mean convergence theorems for monotone generalized nonexpansivetype mappings Sachiko Atsushiba RIMS Symposia, Study on Nonlinear Analysis and Convex Analysis, Sep 26, 2025 Convergence theorems for monotone generalized nonexpansive-type mappings in Banach spaces Sachiko Atsushiba International Workshop on Nonlinear Analysis and its Applications 2025(IWNAA2025), Sep 4, 2025 Convergence theorems for monotone generalized nonexpansive mappings in Banach spaces Sachiko Atsushiba Asian Mathematical Conference 2025 (AMC2025), Aug 4, 2025 Approximation of fixed points of monotone nonexpansive-type mappings Sachiko Atsushiba Mar 19, 2024 Convergence theorems for monotone generalized nonexpansive mappings Sachiko Atsushiba The synmposium on Real Analysis, Oct 29, 2023 Attractive points, fixed points and convergence theorems for monotone Lipschitzian mappings Sachiko Atsushiba Sep 22, 2023 Attractive points and weak convergence theorems for monotone nonexpansive mappings Sachiko Atsushiba The 11th Asian Conference on Fixed Point Theory and Optimization 2023 (ACFPTO2023), Aug 3, 2023 Attractive points, fixed points, and convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba The 14th International Conference on Fixed Point Theory and its Applications (ICFPTA2023), Jul 12, 2023 Convergence theorems for families of monotone nonexpansive mappings in ordered Banach spaces Sachiko Atsushiba MSJ Spring Meeting 2023, Mar 17, 2023, MSJ Convergence theorems for families of monotone Lipschitzian mappings in ordered Banach spaces Sachiko Atsushiba RIMS, Theory of function spaces and related topics, Feb 14, 2023, Research Institute for Mathematical Sciences, Kyoto University Weak and strong convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba Symposium on Real Analysis2022, Oct 29, 2022, MSJ Convergence theorems for monotone nonexpansive mappings in ordered uniformly convex Banach spaces Sachiko Atsushiba The 3rd International Workshop on Applied Nonlinear Analysisonal (IWANA2022, Thailand)(, Sep 5, 2022 Invited Convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba RIMS, Study on Nonlinear Analysis and Convex Analysis, Aug 31, 2022, Research Institute for Mathematical Sciences, Kyoto University Weak ad strong convergence theorems for generalized hybrid-type sequences and some nonlinear mappings Sachiko Atsushiba 日本数学会2019年度年会 実函数論分科会,, Mar 19, 2019, 日本数学会 Convergence theorems for generalized hybrid-type sequences and some nonlinear mappings Sachiko Atsushiba RIMS共同研究 「関数空間の深化とその周辺」, 2018.11.27., Nov 27, 2018, RIMS共同研究 Convergence theorems for normally generalized hybrid sequences and hybrid-type mappings Atsushiba Sachiko The 6th Asian Conference on Nonlinear Analysis and Optimization (Nao-Asia2018), Nov 7, 2018 Invited Attractive point, fixed point and convergence theorems for generalized hybrid-type mappings Sachiko Atsushiba 日本数学会2018年度秋季総合分科会 実函数論分科会, Sep 26, 2018, 日本数学会 Attractive point and convergence theorems for hybrid-type sequences Sachiko Atsushiba RIMS共同研究 「非線形解析学と凸解析学の研究」(Nonlinear analysis and con-vex analysis),, Aug 27, 2018, RIMS共同研究 Weak convergence theorems for nonlinear hybrid mappings in Banach spaces Sachiko Atsushiba The 10th Asian Conference on Fixed Point Theory and Optimization (ACFPTO18),, Jul 17, 2018 Invited Weak and strong convergence theorems for a sequence of nonlinear operators Sachiko Atsushiba 日本数学会2018年度年会 実函数論分科会,, 2018, 日本数学会 Attractive point theorems and convergence theorems for nonlinear mappings in Hilbert spaces, Sachiko Atsushiba 12th International Conference on Fixed Point Theory and Its Applications.., Jul 25, 2017 Attractive point theorems and convergence theorems for nonlinear mappings, Sachiko Atsushiba The 10th Anniversary Conference on Nonlinear Analysis and Convex Analysis, Jul 5, 2017 Invited Attractive points, acute point and weak convergence theorems for nonlinear mappings, Sachiko Atsushiba The 5th Asian Conference on Nonlinear Analysis and Optimization (Nao-Asia2016), Aug 2, 2016 Invited Attrative points, acute point and fixed point properties for nonlinear mappings, Sachiko Atsushiba The 9th Asian Conference on Fixed Point Theory and Optimization 2016 (acfpto2016),, May 20, 2016 Attractive points and fixed point properties for nonlinear mappings, Sachiko Atsushiba The Fifth International Symposium on Banach and Function Spaces 2015, Sep 2, 2015 Weak and Strong Convergence Theorems for Some Classes of Nonlinear Mappings, Sachiko Atsushiba The Ninth International Conference on Nonlinear Analysis and Convex Analysis (NACA2015),, Jan 24, 2015 Invited Strong Convergence Theorems for Nonlinear Mappings by Halpern's Type Iterations in Banach Spaces Sachiko Atsushiba The ICM2014 Satellite Conference, The Fourth Asian Conference on Nonlinear Analysis and Optimization, Aug 6, 2014 Strong Convergence Theorems by Halpern's type iterations for nonlinear mappings Sachiko Atsushiba The International Conference on Nonlinear Analysis and Optimization (ICNAO2013), Dec 20, 2013 Convergence theorems for monotone generalized nonexpansive mappings 1 Professional Memberships 2 May, 1997 - Present 日本数学会 Apr, 1996 - Present 国際数理科学協会 Research Projects 6 Theory of fixed point problems via attractive points and monotonic nonexpansive mappings and its applications Apr, 2025 - Mar, 2030 Sachiko Atsushiba アトラクティブポイントを用いた不動点理論に基づく非線形関数解析・非線形問題の究明 科学研究費助成事業, 日本学術振興会, Apr, 2019 - Mar, 2025 厚芝 幸子 The study of nonlinear functional analysis and nonlinear problem based on fixed point theory and convex analysis, and its applications Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2018 ATSUSHIBA Sachiko, SHIOJI Naoki Nonlinear Analysis and Convex Analysis by fixed point theory and its Application to Equilibrium problems and Nonlinear Optimization Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2010 - Mar, 2014 ATSUSHIBA Sachiko, HIRANO Norimichi Nonlinear Functional Analysis and Nonlinear Problem by Fixed Point Theory Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2006 - 2008 ATSUSHIBA Sachiko More Academic Activities 6 日本数学会実函数論分科会函数解析学分科会合同シンポジウム連絡委員 Planning, Management, etc., Others Feb 15, 2025 - Feb 14, 2026 日本数学会実函数論分科会函数解析学分科会合同シンポジウム委員 Planning, Management, etc., Supervision (editorial) Mar, 2023 - Feb, 2026 実解析学シンポジウム開催責任者 Planning, Management, etc., Supervision (editorial), Others Nov 15, 2025 - Nov 16, 2025 実解析学シンポジウム開催責任者 Planning, Management, etc., Others Mar 1, 2024 - Mar 31, 2025 RIMS Symposia, Study on Nonlinear Analysis and Convex Analysis Planning, Management, etc., Supervision (editorial), Others Dec 9, 2024 - Dec 11, 2024 More Social Activities 8 The International Conference on Nonlinear Analysis and Convex Analysis でLocal Organizing Committee Logistic support, Others The International Conference on Nonlinear Analysis and Convex Analysis, Apr, 1997 - Present 東京女子大学オープンキャンパス特別企画「情報数理科学科ってどんなところ? ~気になるゼミをのぞいてみよう~」 Guest, Panelist, Host, Lecturer 東京女子大学, Aug 1, 2026 - Aug 1, 2026 東京女子大学オープンキャンパス模擬授業 [身近な不思議を数学で読み解く--身近なトピックスを不動点を介して (解析学の視点で)読み解きましょう一 Lecturer 東京女子大学, 東京女子大学オープンキャンパス模擬授業, Aug 1, 2026 - Aug 1, 2026 豊南高校にて出前授業「非線形解析学入門 —-不動点を介して非線形解析学のトピックスを 考えてみよう—」 Guest, Panelist, Lecturer, Others 出前授業, Sep 27, 2025 - Sep 27, 2025 東京女子大学 「問いプロジェクト-TONJO QUESTION」 動画 Panelist, Commentator, Filming support Jan 15, 2025 - Mar 20, 2025 More 役職・学内委員 2 件名(英語) 東京女子大学学会委員会委員 2025/04/01 2026/06/30 件名(英語) 数学専攻主任 2026/04/01 2027/03/31 1 広報活動等 7 件名(英語) 東京女子大学第11 回高等学校教科別セミナー「非線形解析に関する一考察―不動点と は? 不動点を介した考察―」で講師 2022/08/23 2022/08/23 東京女子大学第11 回高等学校教科別セミナー「非線形解析に関する一考察―不動点と は? 不動点を介した考察―」で講師をした。 件名(英語) 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? 不 動点を身近なところから考える」 で講師をした 2022/08/07 2022/08/07 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? 不 動点を身近なところから考える」 で講師および個別相談をした 件名(英語) 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? --現代解析学入門--」 で講師をした 2024/07/07 2024/07/07 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? --現代解析学入門-- で講師をした 件名(英語) 東京女子大学問プロジェクト動画 2024/01/10 東京女子大学「問いプロジェクト-TONJO QUESTION-」動画に出演しパネリスト的役割で話をした。 件名(英語) 東京女子大学オープンキャンパス特別企画「情報数理科学科ってどんなところ? ~気になるゼミをのぞいてみよう~」 2026/08/01 2026/08/01 さらに来場者からの質問・相談にも応じた 件名(英語) 東京女子大学オープンキャンパス模擬授業 「身近な不思議を数学で読み解く--身近なトピックスを不動点を介して (解析学の視点で)読み解きましょう一 および学科紹介 2026/08/01 2026/08/01 オープンキャンパス模擬授業 および学科紹介をした。さらに個別相談もつとめた。 件名(英語) 豊南高校にて出前授業「非線形解析学入門 —-不動点を介して非線形解析学のトピックスを 考えてみよう—」 2025/09/27 2025/09/27 豊南高校にて出前授業の授業をした(講師をした) 1
Atsushiba Sachiko (厚芝 幸子) Please select the form format to download from below 「Education and research environment」format 「No. 4, the Ministry of Education document style ①Outline for Vitae」format 「No. 4, the Ministry of Education document style ②Education and research environment」format Profile Information AffiliationProfessor, School of Arts and Sciences, Division of Mathematical Sciences, Tokyo Woman's Christian UniversityDegree修士(理学)(Mar, 1995, 東京工業大学)博士(理学)(Mar, 1998, 東京工業大学)Researcher number20327761J-GLOBAL ID200901006828222097researchmap Member ID1000366099 Research Interests 4 非線形解析学 非線形関数解析学 実函数論 不動点理論 Research Areas 1 Natural sciences / Basic analysis / 不動点理論 Research History 8 Apr, 2025 - Present 東京女子大学現代教養学部情報数理科学科情報数理科学専攻 教授 Apr, 2024 - Present 東京女子大学現代教養学部数理科学科情報数理科学専攻 教授 Apr, 2020 - Mar, 2024 Tokyo Woman's Christian University Apr, 2012 - Mar, 2020 Graduate School of Education, University of Yamanashi Apr, 2008 - Mar, 2012 University of Yamanashi More Education 3 Apr, 1995 - Mar, 1998 Graduate School of Information Science and Engineering, Tokyo Institute of Technology Apr, 1993 - Mar, 1995 Graduate School of Science and Engineering, Tokyo Institute of Technology Apr, 1989 - Mar, 1993 School of Science, Tokyo Institute of Technology Committee Memberships 3 Apr, 1997 - Present Local Organizing Committee, The International Conference on Nonlinear Analysis and Convex Analysis Jan, 2023 - Jan, 2026 日本数学会実函数論分科会実解析グループ合同シンポジウム委員, 日本数学会 Mar, 2014 - Feb, 2016 地方区代議委員, 日本数学会 Papers 101 Convergence theorems of implicit and explicit type iterations for generalized nonexpansive mappings Sachiko Atsushiba Fixed Point Methods and Optimization, 1-12, Mar, 2026 Peer-reviewedLead authorLast authorCorresponding author Nonlinear mean convergence theorems for monotone generalized nonexpansive-type mappings Sachiko Atsushiba RIMS Kokyuroku, Nonlinear analysis and convex analysis, Mar, 2026 Lead authorLast author Weak and strong convergence theorems for mean nonexpansive mappings in Banach spaces Sachiko Atsushiba Nonlinear Functional Analysis and its Applicactions, 51-65, Mar, 2026 Lead authorLast authorCorresponding author Fixed point results for some generalized nonexpansive mappings Sachiko Atsushiba RIMS Kokyuroku, Theory of function spaces and related topics, 10-16, Feb, 2026 Lead authorLast authorCorresponding author Weak and strong convergence theorems for monotone nonexpansive-type mappings in Banach spaces Sachiko Atsushiba Nonlinear analysis and convex analysis, RIMS Kokyuroku, 2323(31) 233-240, Jul, 2025 InvitedLead authorCorresponding author More Misc. 6 STRONG CONVERGENCE TO COMMON ATTRACTIVE POINTS OF ASYMPTOTICALLY REGULAR NONEXPANSIVE SEMIGROUPS (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1923 118-124, Nov, 2014 STRONG CONVERGENCE THEOREMS FOR FAMILIES OF NONEXPANSIVE MAPPINGS BY BROWDER'S TYPE ITERATIONS (Mathematics for Uncertainty and Fuzziness) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1906 24-33, Jul, 2014 VISCOSITY APPROXIMATION METHODS FOR FIXED POINTS PROBLEMS (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1755 124-130, Aug, 2011 WEAK AND STRONG CONVERGENCE THEOREMS FOR A FAMILY OF RELATIVELY NONEXPANSIVE MAPPINGS IN BANACH SPACES (Nonlinear Analysis and Convex Analysis) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1611 67-75, Sep, 2008 STRONG AND WEAK CONVERGENCE THEOREMS FOR A COUNTABLE FAMILY OF NONEXPANSIVE MAPPINGS IN BANACH SPACES(The structure of Banach spaces and Function spaces) ATSUSHIBA SACHIKO RIMS Kokyuroku, 1520 96-103, Oct, 2006 More Presentations 32 Weak and strong convergence theorems for some generalized nonexpansive mappings Sachiko Atsushiba The 30th Annual meeting in Mathematics 2026(AMM 2026) & ConCounterence in Number Theory and Applications 2026(CNA 2026), May 29, 2026 Approximation of fixed points of some generalized nonexpansive mappings · Sachiko Atsushiba MSJ Spring Meeting 2026, Mar 25, 2026 Fixed point results for some generalized nonexpansive mappings Sachiko Atsushiba Rims Symposia, Theory of function spaces and related topics, Dec 15, 2025 Nonlinear mean convergence theorems for monotone generalized nonexpansivetype mappings Sachiko Atsushiba RIMS Symposia, Study on Nonlinear Analysis and Convex Analysis, Sep 26, 2025 Convergence theorems for monotone generalized nonexpansive-type mappings in Banach spaces Sachiko Atsushiba International Workshop on Nonlinear Analysis and its Applications 2025(IWNAA2025), Sep 4, 2025 Convergence theorems for monotone generalized nonexpansive mappings in Banach spaces Sachiko Atsushiba Asian Mathematical Conference 2025 (AMC2025), Aug 4, 2025 Approximation of fixed points of monotone nonexpansive-type mappings Sachiko Atsushiba Mar 19, 2024 Convergence theorems for monotone generalized nonexpansive mappings Sachiko Atsushiba The synmposium on Real Analysis, Oct 29, 2023 Attractive points, fixed points and convergence theorems for monotone Lipschitzian mappings Sachiko Atsushiba Sep 22, 2023 Attractive points and weak convergence theorems for monotone nonexpansive mappings Sachiko Atsushiba The 11th Asian Conference on Fixed Point Theory and Optimization 2023 (ACFPTO2023), Aug 3, 2023 Attractive points, fixed points, and convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba The 14th International Conference on Fixed Point Theory and its Applications (ICFPTA2023), Jul 12, 2023 Convergence theorems for families of monotone nonexpansive mappings in ordered Banach spaces Sachiko Atsushiba MSJ Spring Meeting 2023, Mar 17, 2023, MSJ Convergence theorems for families of monotone Lipschitzian mappings in ordered Banach spaces Sachiko Atsushiba RIMS, Theory of function spaces and related topics, Feb 14, 2023, Research Institute for Mathematical Sciences, Kyoto University Weak and strong convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba Symposium on Real Analysis2022, Oct 29, 2022, MSJ Convergence theorems for monotone nonexpansive mappings in ordered uniformly convex Banach spaces Sachiko Atsushiba The 3rd International Workshop on Applied Nonlinear Analysisonal (IWANA2022, Thailand)(, Sep 5, 2022 Invited Convergence theorems for families of monotone nonexpansive mappings Sachiko Atsushiba RIMS, Study on Nonlinear Analysis and Convex Analysis, Aug 31, 2022, Research Institute for Mathematical Sciences, Kyoto University Weak ad strong convergence theorems for generalized hybrid-type sequences and some nonlinear mappings Sachiko Atsushiba 日本数学会2019年度年会 実函数論分科会,, Mar 19, 2019, 日本数学会 Convergence theorems for generalized hybrid-type sequences and some nonlinear mappings Sachiko Atsushiba RIMS共同研究 「関数空間の深化とその周辺」, 2018.11.27., Nov 27, 2018, RIMS共同研究 Convergence theorems for normally generalized hybrid sequences and hybrid-type mappings Atsushiba Sachiko The 6th Asian Conference on Nonlinear Analysis and Optimization (Nao-Asia2018), Nov 7, 2018 Invited Attractive point, fixed point and convergence theorems for generalized hybrid-type mappings Sachiko Atsushiba 日本数学会2018年度秋季総合分科会 実函数論分科会, Sep 26, 2018, 日本数学会 Attractive point and convergence theorems for hybrid-type sequences Sachiko Atsushiba RIMS共同研究 「非線形解析学と凸解析学の研究」(Nonlinear analysis and con-vex analysis),, Aug 27, 2018, RIMS共同研究 Weak convergence theorems for nonlinear hybrid mappings in Banach spaces Sachiko Atsushiba The 10th Asian Conference on Fixed Point Theory and Optimization (ACFPTO18),, Jul 17, 2018 Invited Weak and strong convergence theorems for a sequence of nonlinear operators Sachiko Atsushiba 日本数学会2018年度年会 実函数論分科会,, 2018, 日本数学会 Attractive point theorems and convergence theorems for nonlinear mappings in Hilbert spaces, Sachiko Atsushiba 12th International Conference on Fixed Point Theory and Its Applications.., Jul 25, 2017 Attractive point theorems and convergence theorems for nonlinear mappings, Sachiko Atsushiba The 10th Anniversary Conference on Nonlinear Analysis and Convex Analysis, Jul 5, 2017 Invited Attractive points, acute point and weak convergence theorems for nonlinear mappings, Sachiko Atsushiba The 5th Asian Conference on Nonlinear Analysis and Optimization (Nao-Asia2016), Aug 2, 2016 Invited Attrative points, acute point and fixed point properties for nonlinear mappings, Sachiko Atsushiba The 9th Asian Conference on Fixed Point Theory and Optimization 2016 (acfpto2016),, May 20, 2016 Attractive points and fixed point properties for nonlinear mappings, Sachiko Atsushiba The Fifth International Symposium on Banach and Function Spaces 2015, Sep 2, 2015 Weak and Strong Convergence Theorems for Some Classes of Nonlinear Mappings, Sachiko Atsushiba The Ninth International Conference on Nonlinear Analysis and Convex Analysis (NACA2015),, Jan 24, 2015 Invited Strong Convergence Theorems for Nonlinear Mappings by Halpern's Type Iterations in Banach Spaces Sachiko Atsushiba The ICM2014 Satellite Conference, The Fourth Asian Conference on Nonlinear Analysis and Optimization, Aug 6, 2014 Strong Convergence Theorems by Halpern's type iterations for nonlinear mappings Sachiko Atsushiba The International Conference on Nonlinear Analysis and Optimization (ICNAO2013), Dec 20, 2013 Convergence theorems for monotone generalized nonexpansive mappings 1 Professional Memberships 2 May, 1997 - Present 日本数学会 Apr, 1996 - Present 国際数理科学協会 Research Projects 6 Theory of fixed point problems via attractive points and monotonic nonexpansive mappings and its applications Apr, 2025 - Mar, 2030 Sachiko Atsushiba アトラクティブポイントを用いた不動点理論に基づく非線形関数解析・非線形問題の究明 科学研究費助成事業, 日本学術振興会, Apr, 2019 - Mar, 2025 厚芝 幸子 The study of nonlinear functional analysis and nonlinear problem based on fixed point theory and convex analysis, and its applications Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2018 ATSUSHIBA Sachiko, SHIOJI Naoki Nonlinear Analysis and Convex Analysis by fixed point theory and its Application to Equilibrium problems and Nonlinear Optimization Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2010 - Mar, 2014 ATSUSHIBA Sachiko, HIRANO Norimichi Nonlinear Functional Analysis and Nonlinear Problem by Fixed Point Theory Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2006 - 2008 ATSUSHIBA Sachiko More Academic Activities 6 日本数学会実函数論分科会函数解析学分科会合同シンポジウム連絡委員 Planning, Management, etc., Others Feb 15, 2025 - Feb 14, 2026 日本数学会実函数論分科会函数解析学分科会合同シンポジウム委員 Planning, Management, etc., Supervision (editorial) Mar, 2023 - Feb, 2026 実解析学シンポジウム開催責任者 Planning, Management, etc., Supervision (editorial), Others Nov 15, 2025 - Nov 16, 2025 実解析学シンポジウム開催責任者 Planning, Management, etc., Others Mar 1, 2024 - Mar 31, 2025 RIMS Symposia, Study on Nonlinear Analysis and Convex Analysis Planning, Management, etc., Supervision (editorial), Others Dec 9, 2024 - Dec 11, 2024 More Social Activities 8 The International Conference on Nonlinear Analysis and Convex Analysis でLocal Organizing Committee Logistic support, Others The International Conference on Nonlinear Analysis and Convex Analysis, Apr, 1997 - Present 東京女子大学オープンキャンパス特別企画「情報数理科学科ってどんなところ? ~気になるゼミをのぞいてみよう~」 Guest, Panelist, Host, Lecturer 東京女子大学, Aug 1, 2026 - Aug 1, 2026 東京女子大学オープンキャンパス模擬授業 [身近な不思議を数学で読み解く--身近なトピックスを不動点を介して (解析学の視点で)読み解きましょう一 Lecturer 東京女子大学, 東京女子大学オープンキャンパス模擬授業, Aug 1, 2026 - Aug 1, 2026 豊南高校にて出前授業「非線形解析学入門 —-不動点を介して非線形解析学のトピックスを 考えてみよう—」 Guest, Panelist, Lecturer, Others 出前授業, Sep 27, 2025 - Sep 27, 2025 東京女子大学 「問いプロジェクト-TONJO QUESTION」 動画 Panelist, Commentator, Filming support Jan 15, 2025 - Mar 20, 2025 More 役職・学内委員 2 件名(英語) 東京女子大学学会委員会委員 2025/04/01 2026/06/30 件名(英語) 数学専攻主任 2026/04/01 2027/03/31 1 広報活動等 7 件名(英語) 東京女子大学第11 回高等学校教科別セミナー「非線形解析に関する一考察―不動点と は? 不動点を介した考察―」で講師 2022/08/23 2022/08/23 東京女子大学第11 回高等学校教科別セミナー「非線形解析に関する一考察―不動点と は? 不動点を介した考察―」で講師をした。 件名(英語) 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? 不 動点を身近なところから考える」 で講師をした 2022/08/07 2022/08/07 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? 不 動点を身近なところから考える」 で講師および個別相談をした 件名(英語) 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? --現代解析学入門--」 で講師をした 2024/07/07 2024/07/07 東京女子大学オープンキャンパス模擬授業「不動点とは何か?何に使われているか? --現代解析学入門-- で講師をした 件名(英語) 東京女子大学問プロジェクト動画 2024/01/10 東京女子大学「問いプロジェクト-TONJO QUESTION-」動画に出演しパネリスト的役割で話をした。 件名(英語) 東京女子大学オープンキャンパス特別企画「情報数理科学科ってどんなところ? ~気になるゼミをのぞいてみよう~」 2026/08/01 2026/08/01 さらに来場者からの質問・相談にも応じた 件名(英語) 東京女子大学オープンキャンパス模擬授業 「身近な不思議を数学で読み解く--身近なトピックスを不動点を介して (解析学の視点で)読み解きましょう一 および学科紹介 2026/08/01 2026/08/01 オープンキャンパス模擬授業 および学科紹介をした。さらに個別相談もつとめた。 件名(英語) 豊南高校にて出前授業「非線形解析学入門 —-不動点を介して非線形解析学のトピックスを 考えてみよう—」 2025/09/27 2025/09/27 豊南高校にて出前授業の授業をした(講師をした) 1