Department of Applied Mathematics, National Hsinchu University of Education, Hsin-Chu, Taiwan
Copyright © 2009 Tong-Huei Chang et al. 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.
We use a concept of abstract convexity to define the almost
- property, al-- family, and almost -spaces. We get some new approximate fixed point theorems and fixed point theorems in almost -spaces. Our results extend some results of other authors.