Asymptotics for a high-energy solution of a supercritical problem

2022/03/14 by Colasuonno, Francesca, Noris, Benedetta
#35B09 #35B45 #35J20 #35J92 #Analysis of PDEs (math.AP) #FOS: Mathematics

paper · doi:10.48550/arxiv.2203.06940

Abstract

In this paper we deal with the equation -Δ_p u+|u|^p-2u=|u|^q-2u for 1p, under Neumann boundary conditions in the unit ball of \mathbb R^N. We focus on the three positive, radial, and radially non-decreasing solutions, whose existence for q large is proved in [13]. We detect the limit profile as q→∞ of the higher energy solution and show that, unlike the minimal energy one, it converges to the constant 1. The proof requires several tools borrowed from the theory of minimization problems and accurate a priori estimates of the solutions, which are of independent interest.

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