%0 Journal Article
%T Dynamics of Perturbed Relative Equilibria of Point Vortices on the Sphere or Plane
%A G. W. Patrick
%J Physics
%D 1999
%I arXiv
%R 10.1007/s003329910015
%X Stable assemblages of localized vortices exist which have particle-like properties, such as mass, and which can interact with one another when they closely approach. In this article I calculate the mass of these localized states and numerically investigate some aspects of their interactions.
%U http://arxiv.org/abs/math/9906112v1