By using the fixed-point index theory and Leggett-Williams fixed-point theorem, we study the existence of multiple solutions to the three-point boundary value problem [inline-graphic not available: see fulltext], [inline-graphic not available: see fulltext]; [inline-graphic not available: see fulltext]; [inline-graphic not available: see fulltext], where [inline-graphic not available: see fulltext], [inline-graphic not available: see fulltext] are constants, [inline-graphic not available: see fulltext] is a parameter, and [inline-graphic not available: see fulltext], [inline-graphic not available: see fulltext] are given functions. New existence theorems are obtained, which extend and complement some existing results. Examples are also given to illustrate our results.
机构:
NW Normal Univ, Math & Informat Sci Coll, Lanzhou 730070, Gansu, Peoples R ChinaNW Normal Univ, Math & Informat Sci Coll, Lanzhou 730070, Gansu, Peoples R China