Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 2011; 48(1): 23-31

Printed January 1, 2011

https://doi.org/10.4134/JKMS.2011.48.1.23

Copyright © The Korean Mathematical Society.

On Riemannian manifolds of constant negative curvature

Reza Mirzaie

I. KH. International University

Abstract

In this paper, we study the fundamental group and orbits of cohomogeneity two Riemannian manifolds of constant negative curvature.

Keywords: Riemannian manifold, Lie group, sectional curvature

MSC numbers: 53C30, 57S25