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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Communicated by G. Gallavotti
We acknowledge the Centre of Excellence in Analysis and Dynamics Research supported by the Academy of Finland. RH acknowledges the support from Jenny and Antti Wihuri Foundation. FL acknowledges the partial support from NSF Grant DMS-0801127.
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Hovila, R., Järvenpää, E., Järvenpää, M. et al. Singularity of Projections of 2-Dimensional Measures Invariant Under the Geodesic Flow. Commun. Math. Phys. 312, 127–136 (2012). https://doi.org/10.1007/s00220-011-1387-6
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DOI: https://doi.org/10.1007/s00220-011-1387-6