EXISTENCE OF POSITIVE SOLUTIONS FOR FOURTH ORDER BOUNDARY VALUE PROBLEMS

Haiyan Xu, Yi Wei

Abstract


In this paper, we investigates the existence of positive solutions of singular fourth-order three-point boundary value problems. A necessary and sufficient condition for the existence of C2[0, 1] positive solutions as well as C3[0,1] positive solutions is given by constructing lower and upper solutions and with the maximal theorem.

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ISSN: 1229-1595 (Print), 2466-0973 (Online)

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