On Cartan's Examples of Isoparametric Hypersurfaces and Their Focal Submanifolds
arXiv:2602.06745
Abstract
This paper is a survey of Cartan's examples of isoparametric hypersurfaces in spheres and their focal submanifolds that were described in his fundamental work on the subject, which appeared in four papers published during the period 1938-1940.
27 pages