Phase Transitions for Uniformly Expanding Maps
Given a uniformly expanding map of two intervals we describe a large class of potentials admitting unique equilibrium measures. This class includes all Hölder continuous potentials but goes far beyond them. We also construct a family of continuous but not Hölder continuous potentials for which we observe phase transitions. This provides a version of the example in (9) for uniformly expanding maps.
Key WordsExpanding maps thermodynamical formalism equilibrium measures phase transitions
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