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math.DG2015
Nonnegatively curved quotient spaces with boundary
Wolfgang Spindeler
Let be a compact nonnegatively curved Riemannian manifold admitting an isometric action by a compact Lie group in a way that the quotient space has no…
math.DG2015★ 5 cited
-actions on -manifolds and fixed point homogeneous manifolds of nonnegative curvature
Wolfgang Spindeler
This is a slightly altered version of the authors thesis from 2014. In the first main part we show that the quotient space of a compact, simply connected and nonnegatively curved R…
math.DG2011
Nonnegatively curved fixed point homogeneous 5-manifolds
Fernando Galaz-Garcia, Wolfgang Spindeler
Let be a compact Lie group acting effectively by isometries on a compact Riemannian manifold with nonempty fixed point set . We say that the action is \emph{fixed…