{ "id": "2108.01421", "version": "v1", "published": "2021-08-03T11:38:34.000Z", "updated": "2021-08-03T11:38:34.000Z", "title": "Asymptotic profiles for a nonlinear Schrödinger equation with critical combined powers nonlinearity", "authors": [ "Shiwang Ma", "Vitaly Moroz" ], "comment": "21 pages", "categories": [ "math.AP" ], "abstract": "We study asymptotic behaviour of positive ground state solutions of the nonlinear Schr\\\"odinger equation $$ -\\Delta u+ u=u^{2^*-1}+\\lambda u^{q-1} \\quad {\\rm in} \\ \\ \\mathbb{R}^N, $$ where $N\\ge 3$ is an integer, $2^*=\\frac{2N}{N-2}$ is the Sobolev critical exponent, $20$ is a parameter. It is known that as $\\lambda\\to 0$, after a rescaling the ground state solutions of the equation converge to a particular solution of the critical Emden-Fowler equation $-\\Delta u=u^{2^*-1}$. We establish a sharp asymptotic characterisation of such a rescaling, which depends in a non-trivial way on the space dimension $N=3$, $N=4$ or $N\\ge 5$.", "revisions": [ { "version": "v1", "updated": "2021-08-03T11:38:34.000Z" } ], "analyses": { "subjects": [ "35J60", "35B25", "35B40" ], "keywords": [ "nonlinear schrödinger equation", "powers nonlinearity", "asymptotic profiles", "positive ground state solutions", "study asymptotic behaviour" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable" } } }