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math.DG2011
On the curvature of G-manifolds with finitely many non-principal orbits
Stefan Bechtluft-Sachs, David J. Wraith
We investigate the curvature of invariant metrics on G-manifolds with finitely many non-principal orbits. We prove existence results for metrics of positive Ricci curvature and non…
math.DG2011★ 1 cited
On the topology of G-manifolds with finitely many non-principal orbits
Stefan Bechtluft-Sachs, David J. Wraith
We study the topology of compact manifolds with a Lie group action for which there are only finitely many non-principal orbits, and describe the possible orbit spaces which can occ…