{ "id": "2212.14873", "version": "v1", "published": "2022-12-30T18:39:51.000Z", "updated": "2022-12-30T18:39:51.000Z", "title": "Normalized solutions to a class of $(2,q)$-Laplacian equations", "authors": [ "Tao Yang", "Laura Baldelli" ], "categories": [ "math.AP" ], "abstract": "This paper concerns the existence of normalized solutions to a class of $(2,q)$-Laplacian equations in all the possible cases according to the value of $p$ with respect to the critical exponent $2(1+2/N)$. In the $L^2$-subcritical case, we study a global minimization problem and obtain a ground state solution. While in the $L^2$-critical case, we prove several nonexistence results, extended also in the $L^q$-critical case. At last, we derive a ground state and infinitely many radial solutions in the $L^2$-supercritical case. Compared with the classical Schr\\\"{o}dinger equation, the $(2,q)$-Laplacian equation possesses a quasi-linear term, which brings in some new difficulties and requires a more subtle analysis technique. Moreover, the vector field $\\vec{a}(\\xi)=|\\xi|^{q-2}\\xi$ corresponding to the $q$-Laplacian is not strictly monotone when $q<2$, so we shall consider separately the case $q<2$ and the case $q>2$.", "revisions": [ { "version": "v1", "updated": "2022-12-30T18:39:51.000Z" } ], "analyses": { "subjects": [ "35A15", "35B38", "35B40", "35J60", "35J20" ], "keywords": [ "normalized solutions", "critical case", "ground state solution", "subtle analysis technique", "global minimization problem" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }