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检索条件"主题词=proximal-point algorithms"
9 条 记 录,以下是1-10 订阅
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A framework for analyzing local convergence properties with applications to proximal-point algorithms
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2006年 第1期131卷 53-68页
作者: Dong, Y. D. Fischer, A. Zhengzhou Univ Dept Math Zhengzhou Peoples R China Tech Univ Dresden Inst Numer Math D-8027 Dresden Germany
A general algorithmic scheme for solving inclusions in a Banach space is investigated in respect to its local convergence behavior. Particular emphasis is placed on applications to certain proximal-point-type algorith... 详细信息
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A Variational Approach to the Design of Multivariable Discrete-Time Supertwisting-Like algorithms
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IEEE TRANSACTIONS ON AUTOMATIC CONTROL 2025年 第4期70卷 2495-2506页
作者: Miranda-Villatoro, Felix A. Univ Grenoble Alpes CNRS Grenoble INP Lab Jean KuntzmannCtr Inria F-38000 Grenoble France
In this article, a family of discrete-time, supertwisting-like algorithms is presented. The algorithms are naturally vector-valued and are described in an implicit fashion, reminiscent of backward-Euler discretization... 详细信息
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On Gabay's algorithms for mixed variational inequalities
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APPLIED MATHEMATICS AND OPTIMIZATION 1997年 第1期35卷 21-44页
作者: Alduncin, G Instituto de Geofisica UNAM 04510-Mexico D.F. Mexico
Iterative numerical algorithms for variational inequalities are systematically constructed from fixed-point problem characterizations in terms of resolvent operators. The applied method is the one introduced by Gabay ... 详细信息
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Macro-hybrid variational formulations of constrained boundary value problems
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NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION 2007年 第7-8期28卷 751-774页
作者: Alduncin, Gonzalo Univ Nacl Autonoma Mexico Inst Geophys Coyoacan 04510 DF Mexico
In the context of convex analysis, macro-hybrid variational formulations of constrained boundary value problems are presented. Monotone mixed variational inclusions are macro-hybridized on the basis of nonoverlapping ... 详细信息
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Using the banach contraction principle to implement the proximal point method for multivalued monotone variational inequalities
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2005年 第2期124卷 285-306页
作者: Anh, P Muu, LD Nguyen, VH Strodiot, JJ Post & Telecommun Inst Technol Hanoi Vietnam Inst Math Hanoi 10000 Vietnam Fac Univ Notre Dame Paix Dept Math Unite Optimisat B-5000 Namur Belgium
We apply the Banach contraction-mapping fixed-point principle for solving multivalued strongly monotone variational inequalities. Then, we couple this algorithm with the proximal-point method for solving monotone mult... 详细信息
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Composition duality methods for mixed variational inclusions
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APPLIED MATHEMATICS AND OPTIMIZATION 2005年 第3期52卷 311-348页
作者: Alduncin, G Univ Nacl Autonoma Mexico Inst Geophys Mexico City 04510 DF Mexico
Composition duality methods for mixed variational inclusions are studied in a functional framework of reflexive Banach spaces. On the basis of duality principles, the solvability of maximal monotone and subdifferentia... 详细信息
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New self-concordant barrier for the hypercube
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2007年 第3期135卷 475-490页
作者: Quiroz, E. A. Papa Oliveira, P. R. Univ Fed Rio de Janeiro PESC COPPE Dept Syst Engn & Comp Sci Rio De Janeiro Brazil
We introduce a new barrier function to build new interior-point algorithms to solve optimization problems with bounded variables. First, we show that this function is a (3/2)n-self-concordant barrier for the unitary h... 详细信息
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Modified proximal-point algorithm for maximal monotone operators in banach spaces
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2008年 第1期138卷 45-64页
作者: Li, L. Song, W. Harbin Normal Univ Dept Math Harbin 150080 Peoples R China NE Normal Univ Dept Math Changchun 130024 Peoples R China
We introduce an iterative sequence for finding the solution to 0 is an element of T(v), where T : E paired right arrows E* is a maximal monotone operator in a smooth and uniformly convex Banach space E. This iterative... 详细信息
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On the proximal point algorithm
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2008年 第2期137卷 411-417页
作者: Rouhani, B. Djafari Khatibzadeh, H. Univ Texas El Paso Dept Math Sci El Paso TX 79968 USA Tarbiat Modares Univ Dept Math Tehran Iran
Let A be a maximal monotone operator in a real Hilbert space H and let {u(n)} be the sequence in H given by the proximal point algorithm, defined by u (n) =(I+c(n) A)(-1)(u(n-1)-f(n) ), for all n >= 1, with u(0) = ... 详细信息
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