Problem 147(Guillemin-Kazhdan) Invariant distributions for geodesic flows. Are they approximated by periodic orbit measures?ZetaGeo/HoroCommentsrpotrie (2017-02-18 05:11:49 -0800 -0800):Related result: Paternain, Gabriel P.; Salo, Mikko; Uhlmann, Gunther. Spectral rigidity and invariant distributions on Anosov surfaces. J. Differential Geom. 98 (2014), no. 1, 147–181.
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Related result: Paternain, Gabriel P.; Salo, Mikko; Uhlmann, Gunther. Spectral rigidity and invariant distributions on Anosov surfaces. J. Differential Geom. 98 (2014), no. 1, 147–181.