Abstract
For an expanding (unstable) foliation of a diffeomorphism, we use a natural dynamical averaging to construct transverse measures, which we call maximal, describing the statistics of how the iterates of a given leaf intersect the cross-sections to the foliation. For a suitable class of diffeomorphisms, we prove that this averaging converges, even exponentially fast, and the limit measures have finite ergodic decompositions. These results are obtained through relating the maximal transverse measures to the maximal u-entropy measures of the diffeomorphism (see [UVYY]).
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Notes
All transverse measures are taken to be not identically zero, unless stated otherwise.
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We are grateful to the anonymous reviewers for several comments and corrections which greatly helped us improve the presentation.
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Communicated by C. Liverani.
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R. U. was partially supported by NNSFC 11871262, NNSFC 12071202, and NNSFC 12161141002. M.V. and J.Y. were partially supported by CNPq, FAPERJ, and PRONEX. We acknowledge support from the Fondation Louis D–Institut de France (project coordinated by M. Viana).
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Ures, R., Viana, M., Yang, F. et al. Maximal Transverse Measures of Expanding Foliations. Commun. Math. Phys. 405, 121 (2024). https://doi.org/10.1007/s00220-024-04993-w
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DOI: https://doi.org/10.1007/s00220-024-04993-w