In this paper we consider a mean field problem on a compact surface without boundary in presence of conical singularities. The corresponding equation, named after Liouville, appears in the Gaussian curvature prescription problem in Geometry, and also in the Electroweak Theory and in the abelian Chern–Simons–Higgs model in Physics. Our contribution focuses on the case of sign-changing potentials, and gives results on compactness, existence and multiplicity of solutions.
Compactness, existence and multiplicity for the singular mean field problem with sign-changing potentials / De Marchis, Francesca; López-Soriano, Rafael; Ruiz, David. - In: JOURNAL DE MATHÉMATIQUES PURES ET APPLIQUÉES. - ISSN 0021-7824. - STAMPA. - 115:(2018), pp. 237-267. [10.1016/j.matpur.2017.11.007]
Compactness, existence and multiplicity for the singular mean field problem with sign-changing potentials
De Marchis, Francesca;
2018
Abstract
In this paper we consider a mean field problem on a compact surface without boundary in presence of conical singularities. The corresponding equation, named after Liouville, appears in the Gaussian curvature prescription problem in Geometry, and also in the Electroweak Theory and in the abelian Chern–Simons–Higgs model in Physics. Our contribution focuses on the case of sign-changing potentials, and gives results on compactness, existence and multiplicity of solutions.File | Dimensione | Formato | |
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DeMarchis_Compactness-existence_2018.pdf
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