{ "id": "1905.04542", "version": "v1", "published": "2019-05-11T15:36:22.000Z", "updated": "2019-05-11T15:36:22.000Z", "title": "Bound states for the Schrödinger equation with mixed-type nonlinearites", "authors": [ "Bartosz Bieganowski", "Jarosław Mederski" ], "categories": [ "math.AP" ], "abstract": "We prove the existence results for the Schr\\\"odinger equation of the form $$ -\\Delta u + V(x) u = g(x,u), \\quad x \\in \\mathbb{R}^N, $$ where $g$ is superlinear and subcritical in some periodic set $K$ and linear in $\\mathbb{R}^N \\setminus K$ for sufficiently large $|u|$. The periodic potential $V$ is such that $0$ lies in a spectral gap of $-\\Delta+V$. We find a solution with the energy bounded by a certain min-max level, and infinitely many geometrically distinct solutions provided that $g$ is odd in $u$.", "revisions": [ { "version": "v1", "updated": "2019-05-11T15:36:22.000Z" } ], "analyses": { "subjects": [ "35Q55", "35Q60", "35A15", "35J20", "58E05" ], "keywords": [ "schrödinger equation", "mixed-type nonlinearites", "bound states", "periodic set", "existence results" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }