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The aim of the project is to investigate the phenomenon of universality in Topological Dynamics. Universality is a classical and fundamental subject in Dimension Theory. The introduction of universality to the context of dynamics is more recent but has already proven itself to be fruitful. The far reaching Lindenstrauss -Tsukamoto Conjecture is the claim that mean dimension and periodic dimension ...

"The first part of the project is concerned with a classification of the orbit equivalence relation E coming from the conjugation action of the group of all diffeomorphisms of class C2 on itself. A well-known example given by Arnold shows that there exist C2 diffeomorphisms of the circle with equal rotation numbers, which are not conjugate by any smooth mapping. This raises a natural question as t ...