Isoparametric Hypersurfaces in Products of Simply Connected Space Forms

Ronaldo F. de Lima, Giuseppe Pipoli

Let ${\mathbb{Q}}_{{\epsilon }_i}^{n_i}$ denote the simply connected space form of dimension $n_i\ge 2$ and constant sectional curvature ${\epsilon }_i$. We prove that any connected isoparametric hypersu…