Some Remarks on Biharmonic Elliptic Problems with a Singular Nonlinearity
Keyword(s):
We study the following semilinear biharmonic equation , which satisfies0<u̲λ<1. In the extremal caseλ=λ*, we prove the existence of a weak solution which is the unique solution even in a very weak sense. Besides, several new difficulties arise and many problems still remain to be solved. We list those of particular interest in the final section.
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