The correlation coefficient for vortices in the plane
(2019)
Journal Article
Kurzke, M. (2019). The correlation coefficient for vortices in the plane. Journal of Mathematical Analysis and Applications, 479(1), 333-336. https://doi.org/10.1016/j.jmaa.2019.06.029
For point vortices in the plane, we consider the correlation coefficient of Ovchinnikov and Sigal. Generalising a result by Esposito, we show that it vanishes for all vortex equilibria.