Abstract.
Because of its double periodicity, each elliptic function canonically induces a holomorphic dynamical system on a punctured torus. We introduce on this torus a class of summable potentials. With each such potential associated is the corresponding transfer (Perron-Frobenius-Ruelle) operator. The existence and uniquenss of “Gibbs states” and equilibrium states of these potentials are proved. This is done by a careful analysis of the transfer operator which requires a good control of all inverse branches. As an application a version of Bowen’s formula for expanding elliptic maps is obtained.
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The research of the second author was supported in part by the NSF Grant DMS 0400481 and INT 0306004.
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Mayer, V., Urbański, M. Gibbs and equilibrium measures for elliptic functions. Math. Z. 250, 657–683 (2005). https://doi.org/10.1007/s00209-005-0770-4
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DOI: https://doi.org/10.1007/s00209-005-0770-4