Boundary Value Problems
Volume 2009 (2009), Article ID 491952, 20 pages
doi:10.1155/2009/491952

Existence of solutions for fourth-order four-point boundary value problem on time scales

Dandan Yang1 , Gang Li1 and Chuanzhi Bai3

1School of Mathematical Science, Yangzhou University, Yangzhou 225002, China
3Department of Mathematics, Huaiyin Normal University, Huaian, Jiangsu 223300, China

Abstract

We present an existence result for fourth-order four-point boundary value problem on time scales. Our analysis is based on a fixed point theorem due to Krasnoselskii and Zabreiko.