%0 Journal Article
%T Sign-changing solutions to discrete fourth-order Neumann boundary value problems
%A Jingping Yang
%J Advances in Difference Equations
%D 2013
%I 
%R 10.1186/1687-1847-2013-10
%X By using topological degree theory and fixed point index theory, we consider a discrete fourth-order Neumann boundary value problem. We provide sufficient conditions for the existence of sign-changing solutions, positive solutions, and negative solutions.
%K topological degree theory
%K fixed point index theory
%K sign-changing solutions
%K positive solutions
%K negative solutions
%U http://www.advancesindifferenceequations.com/content/2013/1/10/abstract