[Todos CMAT] Seminario este Viernes- Valerie Berthe

[rmuniz en cmat.edu.uy]

 La verdad que eso de "S-adic" me da un poco de miedo :)

On Oct 3 2013, Dr. Roberto Markarian - IMERL wrote:

>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/
>> 
>>