Isoparametric function
Appearance
In differential geometry, an isoparametric function is a function on a Riemannian manifold whose level surfaces are parallel and of constant mean curvatures.
References
- Cartan, Elie (1938), "Familles de surfaces isoparametriques dans les espaces à courbure constante.", Annali di Matematica Pura ed Applicata, IV. Ser. (in French), 17: 177–191, doi:10.1007/BF02410700