Curriculum Vitaes

Atsushiba Sachiko

(厚芝幸子)

Profile Information

Affiliation: Professor, School of Arts and Sciences, Division of Mathematical Sciences, Tokyo Woman's Christian University

Degree: 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 number: 20327761
J-GLOBAL ID: 200901006828222097
researchmap Member ID: 1000366099

Research Interests

5

Research Areas

1

Natural sciences / Basic analysis / 不動点理論

Research History

7

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
Apr, 2007 - Mar, 2008

Shibaura Institute of Technology

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

2

Jan, 2023 - Present

日本数学会実函数論分科会実解析グループシンポジウム実行委員, 日本数学会
Apr, 1997 - Present

Local Organizing Committee, The International Conference on Nonlinear Analysis and Convex Analysis

Papers

97

Convergence theorems for families of monotone nonexpansive mappings in a orderd uniformly convex Banach space

Sachiko Atsushiba

Fixed Point Theory and Optimizations, Mar, 2024 Lead authorCorresponding author
Weak and strong convergence theorems for nonexpansive semigroups in ordered Banach spaces

Sachiko Atsushiba

Nonlinear Functional Analisis and Applications, Mar, 2024 Lead authorCorresponding author
Weak convergence theorems for a finite family of monotone nonexpansive mappings in Banach spaces

Sachiko Atslushiba

Fixed Point Theory, Mar, 2024 Peer-reviewedLead authorCorresponding author
Convergence theorems for monotone generalized nonexpansive mappings

Sachiko Atsushiba

54 98-103, Jan, 2024 Lead authorCorresponding author
Convergence theorems for families of monotone nonexpansive mappings in uniformly convex Banach spaces

Sachiko Atslushiba

Linear and Nonlinear Analysis, 9 175-186, Dec, 2023 Peer-reviewedLead authorCorresponding author

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

Presentations

26

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

Professional Memberships

2

May, 1997 - Present

日本数学会
Apr, 1996 - Present

国際数理科学協会

Research Projects

5

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
不動点理論からの非線形問題の究明

科学研究費助成事業, 日本学術振興会, 2004 - 2005

厚芝幸子

Academic Activities

1

日本数学会実函数論分科会関数解析学分科会合同シンポジウム委員

Planning, Management, etc.

Apr, 2023 - Present

Social Activities

4

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--

Lecturer, Consultant

Jul 7, 2024 - Jul 7, 2024
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」

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, 2022
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―」

Lecturer

東京女子大学, 東京女子大学第11 回高等学校教科別セミナー, Aug, 2022

広報活動等

3

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

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