On generalized Einstein Randers metrics

Author:

Tayebi Akbar1,Nankali Ali1

Affiliation:

1. Department of Mathematics, Faculty of Science, University of Qom, Qom, Iran

Abstract

In this paper, we study the Ricci directional curvature defined by H. Akbar-Zadeh in Finsler geometry and obtain the formula of Ricci directional curvature for Randers metrics. Let F = α + β be a Randers metric on a manifold M, where [Formula: see text] is a Riemannian metric and β = biyi is a closed 1-form on M. We prove that F is a generalized Einstein metric if and only if it is a Berwald metric.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Reference11 articles.

1. Generalized Einstein manifolds

2. Geometry of generalized Einstein manifolds

3. D. Bao and C. Robles, A Sampler of Finsler Geometry, Mathematical Sciences Research Institute Publications 50 (Cambridge University Press, 2004) pp. 197–259.

4. An Introduction to Riemann-Finsler Geometry

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