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检索条件"主题词=proximal point algorithm"
340 条 记 录,以下是271-280 订阅
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Further improvement of a coefficient condition for a weakly convergent iterative scheme
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NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS 2009年 第12期71卷 E2023-E2027页
作者: Kimura, Yasunori Tokyo Inst Technol Dept Math & Comp Sci Tokyo 1528552 Japan
We investigate the condition of coefficients for a generalized proximal point algorithm in uniformly convex Banach spaces. Using the information of the current point to determine the coefficient for the next point, we... 详细信息
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STRONG CONVERGENCE OF MONOTONE HYBRID METHOD FOR FIXED point ITERATION PROCESSES
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Journal of Systems Science & Complexity 2008年 第3期21卷 474-482页
作者: Yongfu SU Xiaolong QIN Department of Mathematics Tianjin Polytechnic University Tianjin 300160 China
K. Nakajo and W. Takahashi in 2003 proved the strong convergence theorems for nonex-pansive mappings, nonexpansive semigroups, and proximal point algorithm for zero point of monotone operators in Hilbert spaces by usi... 详细信息
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Monotone CQ iteration processes for nonexpansive semigroups and maximal monotone operators
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NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS 2008年 第12期68卷 3657-3664页
作者: Su, Yongfu Qin, Xiaolong Tianjin Polytech Univ Dept Math Tianjin 300160 Peoples R China
Nakajo and Takahashi [K. Nakajo, W. Takahashi, Strong convergence theorems for nonexpansive mappings and nonexpansive semigroups, J. Math. Anal. Appl. 279 (2003) 372-379] proved strong convergence theorems for nonexpa... 详细信息
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A new generalized APPA for maximal monotone operators
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APPLIED MATHEMATICS LETTERS 2008年 第2期21卷 181-186页
作者: Li, Min SE Univ Dept Management Sci & Engn Sch Econ & Management Nanjing 210096 Peoples R China
In this work, the conditions on the well-known Bregman function in generalized approximate proximal point algorithms (APPA) are replaced by some easily checked ones, which are more practical. The resulting new general... 详细信息
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An APPA-based descent method with optimal step-sizes for monotone variational inequalities
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EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 2008年 第2期186卷 486-495页
作者: Li, Min Yuan, Xiao-Ming Nanjing Univ Dept Math Nanjing 210093 Peoples R China Shanghai Jiao Tong Univ Antai Coll Econ & Management Shanghai 200052 Peoples R China
To solve monotone variational inequalities, some existing APPA-based descent methods utilize the iterates generated by the well-known approximate proximal point algorithms (APPA) to construct descent directions. This ... 详细信息
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EXISTENCE AND APPROXIMATION OF FIXED pointS OF FIRMLY NONEXPANSIVE-TYPE MAPPINGS IN BANACH SPACES
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SIAM JOURNAL ON OPTIMIZATION 2008年 第2期19卷 824-835页
作者: Kohsaka, Fumiaki Takahashi, Wataru Tokyo Denki Univ Dept Informat Environm Chiba 2701382 Japan Tokyo Inst Technol Dept Math & Comp Sci Meguro Ku Tokyo 1528552 Japan
A class of nonlinear operators in Banach spaces is proposed. We call each operator in this class a firmly nonexpansive-type mapping. This class contains the classes of firmly nonexpansive mappings in Hilbert spaces an... 详细信息
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On EM algorithms and their proximal generalizations
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ESAIM - Probability and Statistics 2008年 第1期12卷 308-326页
作者: Chrétien, Stéphane Hero, Alfred O. Université de Franche-Comté Laboratoire de Mathématiques UMR CNRS 6623 16 route de Gray 25030 Besançon France Department of Electrical Engineering and Computer Science University of Michigan 1301 Beal St. Ann Arbor MI 48109-2122 United States
In this paper, we analyze the celebrated EM algorithm from the point of view of proximal point algorithms. More precisely, we study a new type of generalization of the EM procedure introduced in [Chretien and Hero (19... 详细信息
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On the identification of degenerate indices in the nonlinear complementarity problem with the proximal point algorithm
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MATHEMATICAL PROGRAMMING 2004年 第2期99卷 377-397页
作者: Yamashita, N Dan, H Fukushima, M Kyoto Univ Grad Sch Inofrmat Dept Appl Math & Phys Kyoto 6068501 Japan Math Syst Inc Tokyo 1600022 Japan
In this paper we focus on the problem of identifying the index sets P(x) := {i \ x(i)>0}, N(x) := {i \ F-i(x)>0} and C(x) := {i \ x(i) = F-i(x)=0} for a solution x of the monotone nonlinear complementarity probl... 详细信息
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FINDING NORMALIZED EQUILIBRIUM IN CONVEX-CONCAVE GAMES
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INTERNATIONAL GAME THEORY REVIEW 2008年 第1期10卷 37-51页
作者: Flam, S. D. Ruszczynski, A. Univ Bergen Econ Dept N-5007 Bergen Norway Rutgers State Univ Dept Management Sci & Informat Syst Newark NJ USA
This paper considers a fairly large class of noncooperative games in which strategies are jointly constrained. When what is called the Ky Fan or Nikaido o-Isoda function is convex-concave, selected Nash equilibria cor... 详细信息
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A rapid algorithm for a class of linear complementarity problems
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APPLIED MATHEMATICS AND COMPUTATION 2007年 第2期188卷 1647-1655页
作者: Xu, M. H. Luan, G. F. Jiangsu Polytech Univ Dept Informat Sci Changzhou 213164 Peoples R China Jiangsu Polytech Univ Dept Environm Sci Changzhou 213164 Peoples R China
In this paper, we propose a new rapid projection method for solving a class of linear complementarity problems based on matrix split technique and the idea of proximal point algorithm. The global convergence of the me... 详细信息
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