International Journal of Mathematics and Mathematical Sciences
Volume 19 (1996), Issue 2, Pages 287-290

The fixed point index for accretive mapping with Kset contraction perturbation in cones

Yu-Qing Chen

Department of Mathematics, Sichuan University, Chengdu 610064, China

Received 21 July 1993; Revised 15 August 1994

Copyright © 1996 Yu-Qing Chen. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Let P be cone Banach space E, A, K are two mappings in P, A accretive, K is Kset contraction, then fixed point index defined for mapping A+K, some fixed point theorems are also deduced.