English

Singularity of projections of 2-dimensional measures invariant under the geodesic flow

Dynamical Systems 2015-05-27 v1 Mathematical Physics Differential Geometry math.MP

Abstract

We show that on any compact Riemann surface with variable negative curvature there exists a measure which is invariant and ergodic under the geodesic flow and whose projection to the base manifold is 2-dimensional and singular with respect to the 2-dimensional Lebesgue measure.

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Cite

@article{arxiv.1104.2687,
  title  = {Singularity of projections of 2-dimensional measures invariant under the geodesic flow},
  author = {Risto Hovila and Esa Järvenpää and Maarit Järvenpää and François Ledrappier},
  journal= {arXiv preprint arXiv:1104.2687},
  year   = {2015}
}

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12 pages