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Multi-Peak Solutions To Two Types Of Free Boundary Problems, Yi Li, Shuangjie Peng
Multi-Peak Solutions To Two Types Of Free Boundary Problems, Yi Li, Shuangjie Peng
Mathematics and Statistics Faculty Publications
We consider the existence of multi-peak solutions to two types of free boundary problems arising in confined plasma and steady vortex pair under conditions on the nonlinearity we believe to be almost optimal. Our results show that the “core” of the solution has multiple connected components, whose boundary called free boundary of the problems consists approximately of spheres which shrink to distinct single points as the parameter tends to zero.