Let 1 < p < +∞ and let Ω C RN be either a ball or an annulus. We continue the analysis started in [Boscaggin, Colasuonno, Noris, ESAIM Control Optim. Calc. Var. (2017)], concerning quasilinear Neumann problems of the type 0,rm in Ω ,quad partialν u = 0rm on Ω.]]>We suppose that f(0) = f(1) = 0 and that f is negative between the two zeros and positive after. In case Ω is a ball, we also require that f grows less than the Sobolev-critical power at infinity. We prove a priori bounds of radial solutions, focussing in particular on solutions which start above 1. As an application, we use the shooting technique to get existence, multiplicity and oscillatory behaviour (around 1) of non-constant radial solutions.
A priori bounds and multiplicity of positive solutions for p-Laplacian Neumann problems with sub-critical growth / Boscaggin A.; Colasuonno F.; Noris B.. - In: PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH. SECTION A. MATHEMATICS. - ISSN 0308-2105. - STAMPA. - 150:1(2020), pp. 73-102. [10.1017/prm.2018.143]
A priori bounds and multiplicity of positive solutions for p-Laplacian Neumann problems with sub-critical growth
Colasuonno F.;
2020
Abstract
Let 1 < p < +∞ and let Ω C RN be either a ball or an annulus. We continue the analysis started in [Boscaggin, Colasuonno, Noris, ESAIM Control Optim. Calc. Var. (2017)], concerning quasilinear Neumann problems of the type 0,rm in Ω ,quad partialν u = 0rm on Ω.]]>We suppose that f(0) = f(1) = 0 and that f is negative between the two zeros and positive after. In case Ω is a ball, we also require that f grows less than the Sobolev-critical power at infinity. We prove a priori bounds of radial solutions, focussing in particular on solutions which start above 1. As an application, we use the shooting technique to get existence, multiplicity and oscillatory behaviour (around 1) of non-constant radial solutions.File | Dimensione | Formato | |
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