1. Aleyner A, Censor Y: Best approximation to common fixed points of a semigroup of nonexpansive operators. J. Nonlinear Convex Anal. 2005, 6: 137–151.
2. Sunthrayuth P, Kumam P: A general iterative algorithm for the solution of variational inequalities for a nonexpansive semigroup in Banach spaces. J. Nonlinear Anal. Optim. 2010, 1: 139–150.
3. Yao, Y, Liou, Y-C, Yao, J-C: Algorithms for finding minimum norm solution of equilibrium and fixed point problems for nonexpansive semigroups in Hilbert spaces. J. Nonlinear Convex Anal. (in press)
4. Yang P, Yao Y, Liou Y-C, Chen R: Hybrid algorithms of nonexpansive semigroups for variational inequalities. J. Appl. Math. 2012. 10.1155/2012/634927
5. Yao Y, Cho YJ, Liou Y-C: Hierarchical convergence of an implicit double-net algorithm for nonexpansive semigroups and variational inequalities. Fixed Point Theory Appl. 2011., 2011: Article ID 101 10.1186/1687-1812-2011-101