We establish the average cost optimality equation and show the existence of an (ε-)optimal stationary policy for semi-Markov control processes without compactness and continuity assumptions. The only condition we impose on the model is the V-geometric ergodicity of the embedded Markov chain governed by a stationary policy.
The Isaacs Award, named after Rufus Isaacs, is given every two years for the outstanding achievements in dynamic games by the International Society of Dynamic Games since 2004. In 2018, Professors Andrzej Nowak (University of Zielona Góra) and Georges Zaccour (HEC, Montreal) were awarded. The article presents an interview with Professor Andrzej Nowak, in which the Laureate tells about his research career, the significant results obtained in this field and mentions scholars he met as a scientist....
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