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A_2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space
hypersurfaces non-negative sectional curvature Euclidean space
2010/11/11
In a previous work, the authors gave a definition of `front bundles'. Using this, we give a realization theorem for wave fronts in space forms, like as in the fundamental theorem of surface theory. A...
On the curvature of $K$-contact Riemannian manifolds with constant Phi-sectional curvature with a submersion of geodesic fibres
K-contact Riemannian manifold almost K¨ahler manifold constant Á -sectional curvature Riemannian flow submersion with geodesic fibres
2009/2/18
We give the curvature tensor of K-contact Riemannian manifolds of constant
Á-sectional curvature.
An Example of Lie Group with Sasakian Structure of Constant $\Phi-$sectional Curvature
sasakian manifold lie group
2009/1/13
An Example of Lie Group with Sasakian Structure of Constant $\Phi-$sectional Curvature。
On the curvature of K-contact Riemannian manifolds with constant ©¡sectional curvature with a submersion of geodesic fibres
K-contact Riemannian manifold almost K¨ahler manifold constant Á -sectional curvature Riemannian flow submersion with geodesic fibres
2009/1/8
We give the curvature tensor of K-contact Riemannian manifolds of constant
Á-sectional curvature.