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Singular solutions of elliptic equations involving nonlinear gradient terms on perturbations of the ball
Authors:A Aghajani  C Cowan  SH Lui
Institution:1. School of Mathematics, Iran University of Science and Technology, Narmak, Tehran, Iran;2. Department of Mathematics, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
Abstract:In this article we obtain positive singular solutions of
(1)?Δu=|?u|p in Ω,u=0 on ?Ω,
where Ω is a small C2 perturbation of the unit ball in RN. For NN?1<p<2 we prove that if Ω is a sufficiently small C2 perturbation of the unit ball there exists a singular positive weak solution u of (1). In the case of p>2 we prove a similar result but now the positive weak solution u is contained in C0,p?2p?1(Ω) and yet is not in C0,p?2p?1+ε(Ω) for any ε>0.
Keywords:Corresponding author  
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