Electronic Journal of Differential Equations, Vol. 2010(2010), No. 52, pp. 1-10. Title: Multiplicity of positive solutions for four-point boundary value problems of impulsive differential equations with p-Laplacian Authors: Li Shen (Univ. of Shanghai for Science and Tech., China) Xiping Liu (Univ. of Shanghai for Science and Tech., China) Zhenhua Lu (Univ. of Shanghai for Science and Tech., China) Abstract: Using a fixed-point theorem in cones, we obtain sufficient conditions for the multiplicity of positive solutions for four-point boundary value problems of third-order impulsive differential equations with p-Laplacian. Submitted November 16, 2009. Published April 14, 2010. Math Subject Classifications: 34A37, 34B37. Key Words: p-Laplacian; impulsive; positive solutions; boundary value problem.