Thermodynamic formalism, the theory of equilibrium states, is studied both in dynamical systems and probability theory. Various closely related notions have been developed: e.g. Dobrushin–Lanford–Ruelle Gibbs, Bowen–Gibbs and $g$ -measures.… Click to show full abstract
Thermodynamic formalism, the theory of equilibrium states, is studied both in dynamical systems and probability theory. Various closely related notions have been developed: e.g. Dobrushin–Lanford–Ruelle Gibbs, Bowen–Gibbs and $g$ -measures. We discuss the relation between Gibbs and $g$ -measures in a one-dimensional context. Often $g$ -measures are also Gibbs, but recently an example to the contrary has been presented. In this paper we discuss exactly when a $g$ -measure is Gibbs and how this relates to notions such as uniqueness and reversibility of $g$ -measures.
               
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