W01,1(Ω)-solutions for a degenerate double phase type operator in some borderline cases
Abstract
In this paper we study the existence of W01,1(Ω)-solutions of the nonlinear problems which involves in its principal part the p-laplacian operator and a degenerate additional term that has a polynomial growth with respect to the gradient. The simplest model is −div (a(x)|∇u|p−2∇u) -div (|u|( r−1)q+1|∇u|q−2∇u) = f in Ω, and u = 0 on ∂Ω, where Ω is a bounded open subset of RN(N>2), 1 < q ≤ p < N, r > q-1/q and f is a function with poor summability.
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Copyright (c) 2024 F. Achhoud, S. D'Asero

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