paper

On a Three Dimensional Riemannian Manifold with an Additional Structure

arXiv:0905.0801

Abstract

We consider a 3-dimensional Riemannian manifold with additional structure q. We find a condition that the affine structure q is parallel with respect to the Riamannian connection.We prove the sectional curvatures of three 2-sections formed linearly independent vectors are equal among them.

9 pages

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