Distribution des preimages et des points periodiques d'une correspondance polynomiale

We construct an equilibrium measure $\mu$ for a polynomial correspondence F of Lojasiewicz exponent l>1. We then show that $\mu$ can be built as the distribution of preimages of a generic point and that the expansive periodic points are equidistributed on the support of $\mu$. Using this results, we will give a characterization of infinite unique sets for polynomials.

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