Kyriakos G. Mavridis
Abstract:
This article presents two modifications of the Leggett-Williams
fixed point theorem, and two applications of these
results to a terminal and to a boundary value problem for
ordinary differential equations.
Submitted February 15, 2010. Published April 14, 2010.
Math Subject Classifications: 47H10, 34B40, 34K10, 34B18.
Key Words: Leggett-Williams fixed point theorem;
positive solutions of boundary value problems;
functional second order differential equations.
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Kyriakos G. Mavridis Department of Mathematics, University of Ioannina P. O. Box 1186, 451 10 Ioannina, Greece email: kmavride@otenet.gr, kmavridi@uoi.gr |
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