Abstract
Given a smooth domain Omega subset of R-N such that 0 is an element of partial derivative Omega and given a nonnegative smooth function zeta on partial derivative Omega, we study the behavior near 0 of positive solutions of -Delta u = u(q) in Omega such that u = zeta on partial derivative Omega{0}. We prove that if N+1/N-1 0. We also investigate the case q = N+1/N-1 . The proofs rely on the existence and uniqueness of solutions of related equations on spherical domains.
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