Visco-penalization of the sum of two monotone operators

被引:7
作者
Combettes, Patrick L. [1 ]
Hirstoaga, Sever A. [2 ]
机构
[1] Univ Paris 06, Fac Math, Lab Jacques Louis Lions, F-75005 Paris, France
[2] Univ Paris 09, CEREMADE, F-75775 Paris, France
关键词
approximating curve; monotone operator; penalization; variational inequality; viscosity; Yosida approximation;
D O I
10.1016/j.na.2007.06.003
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A new type of approximating curve for finding a particular zero of the sum of two maximal monotone operators in a Hilbert space is investigated. This curve consists of the zeros of perturbed problems in which one operator is replaced with its Yosida approximation and a viscosity term is added. As the perturbation vanishes, the curve is shown to converge to the zero of the sum that solves a particular strictly monotone variational inequality. As an off-spring of this result, we obtain an approximating curve for finding a particular zero of the sum of several maximal monotone operators. Applications to convex optimization are discussed. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:579 / 591
页数:13
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