{ "id": "1912.08983", "version": "v1", "published": "2019-12-19T01:51:43.000Z", "updated": "2019-12-19T01:51:43.000Z", "title": "Equivalence between radial solutions of different non-homogeneous $p$-Laplacian type equations", "authors": [ "Jarkko Siltakoski" ], "categories": [ "math.AP" ], "abstract": "We study radial viscosity solutions to the equation \\[ -\\ |Du\\ |^{q-2}\\Delta_{p}^{N}u=f(\\ |x\\ |)\\quad\\text{in }B_{R}\\subset\\mathbb{R}^{N}, \\] where $f\\in C[0,R)$, $p,q\\in(1,\\infty)$ and $N\\geq2$. Our main result is that $u(x)=v(\\ |x\\ |)$ is a bounded viscosity supersolution if and only if $v$ is a bounded weak supersolution to $-\\kappa\\Delta_{q}^{d}v=f$ in $(0,R)$, where $\\kappa>0$ and $\\Delta_{q}^{d}$ is heuristically speaking the radial $q$-Laplacian in a fictitious dimension $d$. As a corollary we obtain the uniqueness of radial viscosity solutions. However, the full uniqueness of solutions remains an open problem.", "revisions": [ { "version": "v1", "updated": "2019-12-19T01:51:43.000Z" } ], "analyses": { "subjects": [ "35J92", "35J70", "35J75", "35D40", "35D30" ], "keywords": [ "laplacian type equations", "radial solutions", "equivalence", "study radial viscosity solutions", "non-homogeneous" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }