[Todos CMAT] Seminario de Sistemas Dinámicos - Gabriel Fuhrmann (Durham)

[seminarios en cmat.edu.uy]

Seminario de Sistemas Dinámicos
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Título: "(Non-)Tameness among Toeplitz shifts"

Expositor: Gabriel Fuhrmann (Durham)

Resumen:
 
Given a dynamical system (X,T) [where X is compact metric and T is a self-homeo
on X] its Ellis semigroup is defined as the closure of the collection {T^n} in
the space of self-maps on X. The Ellis semigroup is a cornerstone of the
algebraic theory of topological dynamics. Unfortunately, quite often, it is
quite nasty. This   talk   is about when the Ellis semigroup of Toeplitz shifts
is well-behaved (or: tame). There will be few to no proofs but rather a
discussion of the involved techniques (most notably Brattelli-Vershik
representations of minimal Cantor systems). Joint work with Johannes Kellendonk
and Reem Yassawi.
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Viernes 8/7 a las 14:30, Salón de seminarios del IMERL

Contacto: León Carvajales - lcarvajales en cmat.edu.uy
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Link para seguir por zoom:
https://us06web.zoom.us/j/89701329574?pwd=K2JrNUNxTHZSVzN2cWVZWTRVdGc1QT09
Meeting ID: 897 0132 9574   Passcode: 984818   -------------   Próxima semana:
Joaquín Brum (IMERL)
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