2 papers
math.DG2003
Spherical rank rigidity and Blaschke manifolds
Krishnan Shankar, Ralf Spatzier, Burkhard Wilking
Let M be a complete Riemannian manifold whose sectional curvature is bounded above by 1. We say that M has positive spherical rank if along every geodesic one hits a conjugate poin…
math.AT2000
On Complexes Equivalent to -bundles over
Nitu Kitchloo, Krishnan Shankar
There has been renewed interest in -bundles over since K. Grove and W. Ziller constructed metrics on nonnegative curvature on the total spaces of these…