Abstract
We establish Birkhoff-Kellogg type theorems on invariant directions
for a general class of maps. Our results, in particular, apply to Kakutani, acyclic, O'Neill, approximable, admissible, and
Open Access
Birkhoff-Kellogg theorems on invariant directions for multimaps
Received11 Dec 2001
Copyright
Copyright © 2003 Hindawi Publishing Corporation. 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.