{ "id": "1405.0162", "version": "v2", "published": "2014-05-01T14:06:37.000Z", "updated": "2014-10-15T05:49:14.000Z", "title": "A note on semilinear elliptic equation with biharmonic operator and multiple critical nonlinearities", "authors": [ "Mousomi Bhakta" ], "comment": "12 pages", "categories": [ "math.AP" ], "abstract": "We study the existence and non-existence of nontrivial weak solution of $$ {\\Delta^2u-\\mu\\frac{u}{|x|^{4}} = \\frac{|u|^{q_{\\beta}-2}u}{|x|^{\\beta}}+|u|^{q-2}u\\quad\\textrm{in ${\\mathbb R}^N$,}} $$ where $N\\geq 5$, $q_{\\beta}=\\frac{2(N-\\beta)}{N-4}$, $0<\\beta<4$, $1