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1 June 2009 Limiting distributions of curves under geodesic flow on hyperbolic manifolds
Nimish A. Shah
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Duke Math. J. 148(2): 251-279 (1 June 2009). DOI: 10.1215/00127094-2009-026

Abstract

We consider the evolution of a compact segment of an analytic curve on the unit tangent bundle of a hyperbolic n-manifold of finite volume under the geodesic flow. Suppose that the curve is not contained in a stable leaf of the flow. It is shown that under the geodesic flow, the normalized parameter measure on the curve gets asymptotically equidistributed with respect to the normalized natural Riemannian measure on the unit tangent bundle of a closed totally geodesically immersed submanifold.

Moreover, if this immersed submanifold is a proper subset, then a lift of the curve to the universal covering space T1(Hn) is mapped into a proper subsphere of the ideal boundary sphere Hn under the visual map. This proper subsphere can be realized as the ideal boundary of an isometrically embedded hyperbolic subspace in Hn covering the closed immersed submanifold.

In particular, if the visual map does not send a lift of the curve into a proper subsphere of Hn, then under the geodesic flow the curve gets asymptotically equidistributed on the unit tangent bundle of the manifold with respect to the normalized natural Riemannian measure.

The proof uses dynamical properties of unipotent flows on homogeneous spaces of SO(n,1) of finite volume

Citation

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Nimish A. Shah. "Limiting distributions of curves under geodesic flow on hyperbolic manifolds." Duke Math. J. 148 (2) 251 - 279, 1 June 2009. https://doi.org/10.1215/00127094-2009-026

Information

Published: 1 June 2009
First available in Project Euclid: 22 May 2009

zbMATH: 1171.37003
MathSciNet: MR2524496
Digital Object Identifier: 10.1215/00127094-2009-026

Subjects:
Primary: 37A17
Secondary: 22E40, 37D40

Rights: Copyright © 2009 Duke University Press

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Vol.148 • No. 2 • 1 June 2009
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