Fixed Point Theory and Applications
Volume 2011 (2011), Article ID 216146, 11 pages
Research Article

Generalized Lefschetz Sets

Department of Electronics, Technical University of Koszalin, Śniadeckich 2, 75-453 Koszalin, Poland

Received 5 January 2011; Accepted 2 March 2011

Academic Editor: Marlène Frigon

Copyright © 2011 Mirosław Ślosarski. 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 generalize and modify Lefschetz sets defined in 1976 by L. Górniewicz, which leads to more general results in fixed point theory.