Approximating fixed points of nonexpansive mappings
Guimei Liu,1Deng Lei,2and Shenghong Li1
Received27 Oct 1998
Revised19 Apr 1999
Abstract
We consider a mapping S of the form
S=α0I+α1T1+α2T2+⋯+αkTk,
where αi≥0, α0>0, α1>0 and
∑i=0kαi=1. We show that the Picard iterates of
S converge to a common fixed point of Ti(i=1,2,…,k)in a Banach space when Ti(i=1,2,…,k) are
nonexpansive.