M. Zarei

‎Department of Pure Mathematics, ‎Faculty of Mathematical Sciences, ‎Tarbiat Modares University, ‎P.O. Box ‎14115-134‎, ‎Tehran‎, ‎Iran.

[ 1 ] - On cohomogeneity one nonsimply connected 7-manifolds of constant positive curvature

In this paper, we give a classification of non simply connected seven dimensional Reimannian manifolds of constant positive curvature which admit irreducible cohomogeneity-one actions. We characterize the acting groups and describe the orbits. The first and second homo-topy groups of the orbits have been presented as well.

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