[Todos CMAT] Seminario este Viernes- Valerie Berthe
Dr. Roberto Markarian - IMERL
roma en fing.edu.uy
Jue Oct 3 05:28:55 UYT 2013
Lamento no poder concurrir. Saludos, rm
On Tue, 1 Oct 2013, Rafael Potrie wrote:
> Hola todos,
> Este viernes a las 14.30 en el IMERL escucharemos a Valerie Berthe (CNRS,
> IMJ, Paris) que hablará sobre "Pisot numbers and beyond" (abajo va el
> resumen).
>
> Son todos bienvenidos,
>
>
>
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> Viernes 4 de octubre, Valerie Berthe (CNRS, IMJ) "Pisot numbers and
> beyond"
>
> Properties of substitutive symbolic dynamical
> systems under the Pisot hypothesis tend now to
> be well understood.
> They are conjectured to have pure discrete
> spectrum.
> The aim of this lecture is first to recall this
> conjecture (the Pisot conjecture), but also
> to discuss current extensions with
> nonalgebraic parameters to the so-called S-adic
> framework.
> We illustrate these extensions with expansions
> issued from multidimensional continued fraction
> algorithms,
> which yields in particular explicit symbolic
> codings for a.e. toral translation on the
> two-dimensional torus.
>
>
> --
> Rafael Potrie
> rafaelpotrie en gmail.com
> http://www.cmat.edu.uy/~rpotrie/
>
>
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