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math.DG2018
Almost Isotropy-Maximal Manifolds of Non-negative Curvature
Zheting Dong, Christine Escher, Catherine Searle
We extend the equivariant classification results of Escher and Searle for closed, simply connected, non-negatively curved Riemannian -manifolds admitting isometric isotropy-maxi…
math.DG2018
Positively curved Riemannian orbifolds and Alexandrov spaces with circle symmetry in dimension 4
John Harvey, Catherine Searle
We classify positively curved Alexandrov spaces of dimension 4 with an isometric circle action up to equivariant homeomorphism, subject to a certain additional condition on the inf…