Abstract
We compare dynamical and algebraic properties of semigroups of rational maps. In particular, we show a version of the Day-von Neumann conjecture and give a partial positive answer to “Sushkievich’s problem” for semigroups of rational maps. We relate these conjectures with Furstenberg’s [Formula: see text] problem and prove a coarse version of Furstenberg’s problem for semigroups of non-exceptional polynomials.
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