Sachiko Atsushiba

アツシバサチコ | Sachiko Atsushiba

Affiliation and department：
Job title： Professor

Research field (1)： Basic analysis

Research keywords (5)：最適化問題 , 凸解析学 , 非線形関数解析学 , 実函数論 , 不動点理論

Research theme for competitive and other funds (5)：

2019 - 2025 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
2014 - 2018 The study of nonlinear functional analysis and nonlinear problem based on fixed point theory and convex analysis, and its applications
2010 - 2014 Nonlinear Analysis and Convex Analysis by fixed point theory and its Application to Equilibrium problems and Nonlinear Optimization
2006 - 2008 Nonlinear Functional Analysis and Nonlinear Problem by Fixed Point Theory
2004 - 2005 不動点理論からの非線形問題の究明

Papers (97)：

Sachiko Atsushiba. Convergence theorems for families of monotone nonexpansive mappings in a orderd uniformly convex Banach space. Fixed Point Theory and Optimizations. 2024
Sachiko Atsushiba. Weak and strong convergence theorems for nonexpansive semigroups in ordered Banach spaces. Nonlinear Functional Analisis and Applications. 2024
Sachiko Atslushiba. Weak convergence theorems for a finite family of monotone nonexpansive mappings in Banach spaces. Fixed Point Theory. 2024
Sachiko Atsushiba. Convergence theorems for monotone generalized nonexpansive mappings. 2024. 54. 98-103
Sachiko Atslushiba. Convergence theorems for families of monotone nonexpansive mappings in uniformly convex Banach spaces. Linear and Nonlinear Analysis. 2023. 9. 175-186

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MISC (6)：

ATSUSHIBA SACHIKO. STRONG CONVERGENCE TO COMMON ATTRACTIVE POINTS OF ASYMPTOTICALLY REGULAR NONEXPANSIVE SEMIGROUPS (Nonlinear Analysis and Convex Analysis). RIMS Kokyuroku. 2014. 1923. 118-124
ATSUSHIBA SACHIKO. STRONG CONVERGENCE THEOREMS FOR FAMILIES OF NONEXPANSIVE MAPPINGS BY BROWDER'S TYPE ITERATIONS (Mathematics for Uncertainty and Fuzziness). RIMS Kokyuroku. 2014. 1906. 24-33
ATSUSHIBA SACHIKO. VISCOSITY APPROXIMATION METHODS FOR FIXED POINTS PROBLEMS (Nonlinear Analysis and Convex Analysis). RIMS Kokyuroku. 2011. 1755. 124-130
ATSUSHIBA SACHIKO. WEAK AND STRONG CONVERGENCE THEOREMS FOR A FAMILY OF RELATIVELY NONEXPANSIVE MAPPINGS IN BANACH SPACES (Nonlinear Analysis and Convex Analysis). RIMS Kokyuroku. 2008. 1611. 67-75
ATSUSHIBA SACHIKO. STRONG AND WEAK CONVERGENCE THEOREMS FOR A COUNTABLE FAMILY OF NONEXPANSIVE MAPPINGS IN BANACH SPACES(The structure of Banach spaces and Function spaces). RIMS Kokyuroku. 2006. 1520. 96-103

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Lectures and oral presentations (26)：

Approximation of fixed points of monotone nonexpansive-type mappings
(2024)
Convergence theorems for monotone generalized nonexpansive mappings
(The synmposium on Real Analysis 2023)
Attractive points, fixed points and convergence theorems for monotone Lipschitzian mappings
(2023)
Attractive points and weak convergence theorems for monotone nonexpansive mappings
(The 11th Asian Conference on Fixed Point Theory and Optimization 2023 (ACFPTO2023) 2023)
Attractive points, fixed points, and convergence theorems for families of monotone nonexpansive mappings
(The 14th International Conference on Fixed Point Theory and its Applications (ICFPTA2023) 2023)

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Education (3)：

1995 - 1998 Tokyo Institute of Technology Graduate School of Information Science and Engineering
1993 - 1995 Tokyo Institute of Technology Graduate School of Science and Engineering
1989 - 1993 Tokyo Institute of Technology School of Science

Professional career (2)：

Work history (7)：

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Committee career (2)：

2023/01 - 現在日本数学会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
1997/04 - 現在 The International Conference on Nonlinear Analysis and Convex Analysis Local Organizing Committee

Association Membership(s) (2)：

日本数学会 , 国際数理科学協会

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