MANN ITERATION CONVERGES FASTER THAN ISHIKAWA ITERATION FOR THE CLASS OF ZAMFIRESCU OPERATORS G. V.

MANN ITERATION CONVERGES FASTER THAN ISHIKAWA ITERATION FOR THE CLASS OF ZAMFIRESCU OPERATORS G. V. R. BABU AND K. N. V. V. VARA PRASAD Received 3 February 2005; Revised 31 March 2005; Accepted 19 April 2005 The purpose of this paper is to show that the Mann iteration converges faster than the Ishikawa iteration for the class of Zamfirescu operators of an arbitrary closed convex subset of a Banach space. Copyright © 2006 Hindawi Publishing Corporation. All rights reserved. 1. Introduction Let E be a normed linear space, T : E → E a given operator. Let x0 ∈ E be arbitrary...