Abstract
In this paper, we prove that on a large class of bounded contractible and noncontractible domains with piecewise smooth boundary, there is at least one positive solution to Δu+a(x)u+u (N+2)/(N−2)=0 (N≥3) with zero Dirichlet boundary condition.
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Li, M. Some notes about positive solutions of Δu+a(x)u+u (N+2)/(N−2)=0. Acta Mathematica Sinica 7, 342–347 (1991). https://doi.org/10.1007/BF02594890
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DOI: https://doi.org/10.1007/BF02594890