Curvature and symmetry of Milnor spheres.
Grove, Karsten, Ziller, Wolfgang (2000)
Annals of Mathematics. Second Series
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Grove, Karsten, Ziller, Wolfgang (2000)
Annals of Mathematics. Second Series
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Harish Seshadri (2007-2008)
Séminaire de théorie spectrale et géométrie
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We discuss the notion of isotropic curvature of a Riemannian manifold and relations between the sign of this curvature and the geometry and topology of the manifold.
Eric Boeckx, Lieven Vanhecke (2001)
Czechoslovak Mathematical Journal
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As a first step in the search for curvature homogeneous unit tangent sphere bundles we derive necessary and sufficient conditions for a manifold to have a unit tangent sphere bundle with constant scalar curvature. We give complete classifications for low dimensions and for conformally flat manifolds. Further, we determine when the unit tangent sphere bundle is Einstein or Ricci-parallel.
Luis A. Cordero, Phillip E. Parker (1995)
Czechoslovak Mathematical Journal
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