Fixed Point Theory and Applications
Volume 2006 (2006), Article ID 43696, 13 pages
doi:10.1155/FPTA/2006/43696
Existence results for semilinear perturbed functional differential equations with nondensely defined operators
M. Belmekki1
, M. Benchohra1
and S.K. Ntouyas3
1Laboratoire de Mathématiques, Université de Sidi Bel Abbès, BP 89, Sidi Bel Abbès 22000, Algeria
3Department of Mathematics, University of Ioannina, Ioannina 451 10, Greece
Abstract
We will establish sufficient conditions for the existence of integral solutions and extremal integral solutions for semilinear functional differential equations with nondensely defined operators in Banach spaces.