POSITIVE SOLUTIONS FOR FOURTH ORDER SINGULAR BOUNDARY VALUE PROBLEMS

Zhaocai Hao, Zhong-Rui Wang

Abstract


This paper studies positive solutions to a class of fourth order singular boundary value problems by means of operator approximation theory and fixed point theorems. A necessary and sufficient condition for the existence of C3[0, 1] positive solutions is obtained, which extends and includes some known results.

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

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