%0 Journal Article %T Multiplicity of solutions for some fourth-order m-point boundary-value problems %A Haitao Li %A Yansheng Liu %J Electronic Journal of Differential Equations %D 2010 %I Texas State University %X Using the theory of the fixed point index in a cone and the Leray-Schauder degree, this paper investigates the existence and multiplicity of nontrivial solutions for a class of fourth order m-point boundary-value problems. %K Fixed point index %K Leray-Schauder degree %K fourth order %K m-point boundary-value problems %K sign-changing solution %U http://ejde.math.txstate.edu/Volumes/2010/13/abstr.html