Mean Field Equation of Liouville Type with Singular Data: Topological Degree
Chiun‐Chuan Chen, Chang‐Shou Lin
Source abstract
We consider the following mean field equation: urn:x-wiley::media:cpa21532:cpa21532-math-0001 where M is a compact Riemann surface with volume 1, h * is a positive C 1 function on M , and ρ and α j are constants satisfying α j > −1. In this paper, we derive the topological‐degree‐counting formula for noncritical values of ρ . We also give several applications of this formula, including existence of the curvature + 1 metric with conic singularities, doubly periodic solutions of electroweak theory, and a special case of self‐gravitating strings. © 2015 Wiley Periodicals, Inc.
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