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Cone compression and expansion fixed point theorems in fréchet spaces with applications
(Elsevier BV, 2001-04-01)
Existence of three solutions to integral and discrete equations via the leggett williams fixed point theorem
(Rocky Mountain Mathematics Consortium, 2001-03-01)
Criteria are developed for the existence of three nonnegative solutions to integral and discrete equations. The strategy involves using the Leggett Williams fixed point theorem.
On the oscillation of certain third-order difference equations
(Springer Nature, 2005-01-01)
We establish some new criteria for the oscillation of third-order difference equations of the form Delta((1/a(2)(n))(Delta(1/a(1)(n))(Delta x(n))(alpha 1))(alpha 2)) + delta q(n)f(x[g(n)]) = 0, where Delta is the forward ...
Discrete focal boundary-value problems
(Cambridge University Press (CUP), 2000-02-01)
In this paper we shall employ the nonlinear alternative of Leray-Schauder and known sign properties of a related Green's function to establish the existence results for the nth-order discrete focal boundary-value problem. ...
Some new results for singular problems with sign changing nonlinearities
(Elsevier BV, 2000-01-01)
Eigenvalues and the one-dimensional p-laplacian
(Elsevier BV, 2002-02-01)
A note on the existence of multiple fixed points for multivalued maps with applications
(Elsevier BV, 2000-01-01)