Open Access

Existence of zeros for operators taking their values in the dual of a Banach space

Fixed Point Theory and Applications20042004:983623

DOI: 10.1155/S1687182004310028

Received: 14 October 2003

Published: 26 August 2004


Using continuous selections, we establish some existence results about the zeros of weakly continuous operators from a paracompact topological space into the dual of a reflexive real Banach space.

Authors’ Affiliations

Department of Mathematics, University of Catania


© Ricceri 2004