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2018 NCTS Seminar on Dynamical Systems
13:00 - 15:00, September 28, 2018 (Friday)
Room 201, Astronomy-Mathematics Building, NTU
(台灣大學天文數學館 201室)
Ergodic Theory of Countable Group Actions (I)
Jung-Chao Ban (National Chengchi University)


In this seminar we focus on the ergodic and entropy theory on dynamical systems. We first review some classical theories which include the Kolmogorov-Sinai entropy, classification theory on the actions of groups of integers and its specification properties. Next we will introduce the recent results of the sofic and Rokhlin entropies that generalize classical entropy to the actions of countable groups and how to use them to classify actions. Finally, we discuss the classification of actions on countable groups.


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