Isoparametric function

In differential geometry, an isoparametric function is a function on a Riemannian manifold whose level surfaces are parallel and of constant mean curvatures. They were introduced by Cartan (1938).

See also

• Isoparametric manifold

References

• Cartan, Élie (1938), "Familles de surfaces isoparametriques dans les espaces à courbure constante." (in French), Annali di Matematica Pura ed Applicata, Series 4 17: 177–191, doi:10.1007/BF02410700