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Creators/Authors contains: "ROTH, SAMUEL"

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  1. ; ; (, Ergodic Theory and Dynamical Systems)
    Abstract We consider the complexity of special $$\alpha $$ -limit sets, a kind of backward limit set for non-invertible dynamical systems. We show that these sets are always analytic, but not necessarily Borel, even in the case of a surjective map on the unit square. This answers a question posed by Kolyada, Misiurewicz, and Snoha. 
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