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非扩张映射和广义变分不等式的粘滞逼近法
Viscosity Approximation Methods for Nonexpansive Mappings and Generalized Variational Inequalities
【摘要】 应用已提出的非扩张映射的粘滞逼近方法,给定初值x0∈C,考虑一般迭代过程{xn},g(xn+1)=αnf(xn)+(1-αn)SPC(g(xn)-λnAxn),n≥0,其中{αn}■(0,1),S:C→C是非扩张映射,C是实Hilbert空间H的非空闭凸子集.在{αn}满足合适的条件下可证明,{xn}强收敛到非扩张映射的不动点集和广义变分不等式解的公共元,且满足某变分不等式.
【Abstract】 Viscosity approximation methods for nonexpansive mappings are studied. Consider the general iteration process {xn},where x0∈C is arbitrary and g(xn+1)=αnf(xn)+(1-αn)SPC(g(xn)-λnAxn),S is a nonexpansive self-mapping of a closed convex subset C of a Hilbert space H.It is shown that {xn} converges strongly to a common element of the set of fixed points of nonexpansive mapping and the set of solutions of the Noor variational inequality for an inverse strongly monotone mapping which solves some variational inequality.
【关键词】 粘滞逼近;
非扩张映射;
变分不等式;
【Key words】 viscosity approximation; nonexpansive mapping; variational inequalities MR(2000) Subject Classification 47H09;
【Key words】 viscosity approximation; nonexpansive mapping; variational inequalities MR(2000) Subject Classification 47H09;
【基金】 国家自然科学基金资助项目(10971045);河北省自然科学基金数学研究专项项目(07M003);河北省教育厅资助项目(Z2009111)
- 【文献出处】 数学学报 ,Acta Mathematica Sinica , 编辑部邮箱 ,2010年04期
- 【分类号】O177.91
- 【被引频次】14
- 【下载频次】111