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Uniqueness of positive solutions to some nonlinear Neumann problems

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Abstract Using the moving plane method, we obtain a Liouville type theorem for nonnegative solutions of the Neumann problem { div ( y a ∇ u ( x , y… Click to show full abstract

Abstract Using the moving plane method, we obtain a Liouville type theorem for nonnegative solutions of the Neumann problem { div ( y a ∇ u ( x , y ) ) = 0 , x ∈ R n , y > 0 , lim y → 0 + ⁡ y a u y ( x , y ) = − f ( u ( x , 0 ) ) , x ∈ R n , under general nonlinearity assumptions on the function f : R → R for any constant a ∈ ( − 1 , 1 ) .

Keywords: uniqueness positive; solutions nonlinear; nonlinear neumann; positive solutions; neumann problems

Journal Title: Journal of Mathematical Analysis and Applications
Year Published: 2017

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