[Todos CMAT] Seminario Sistemas Dinámicos

[Dr. Roberto Markarian]

Lamento triplemente no poder estar.
Debo dedicar tiempo al hospital de Clínicas, que me
tiene enfermo, pero va curando. abrazos, rm
Matias Carrasco <matiascapi en gmail.com> escribió:

> Estimados, este viernes 11/12 tenemos una Jornada de Dinámica en el  
> salón de seminarios del IMERL.
>
> A las 14h tendremos el placer de recibir a Philippe Thieullen (Bordeaux).
>
> A las 15h posiblemente un pequeño brindis.
>
> A las 15h30 tendremos el placer de recibir a Maik Groeger (Bremen)
>
> Abajo titulo y resumen.
>
> Saludos
>
> Charla de Philippe Thieullen
>
> Title:
>
> Non selection of the Gibbs measures at zero temperature
>
> Abstract:
>
> We consider a simple model of a dynamical system at
> equilibrium for which it is possible to define a Gibbs
> probability measure at every temperature T=1/beta with
> respect to an (Hamiltonian) interaction H. The system is
> given by a sub-shift of finite type of dimension 1. We
> want to understand the limit of these Gibbs measures when
> the temperature goes to zero. All the accumulation
> measures are minimizing with respect to H (as in ergodic
> optimization theory). There may be several minimizing
> measures. By freezing the system, it is possible in some
> cases to select one of these minimizing measures. We show
> that the non-selection case may also happen for simple
> systems. We will explain the zero-temperature phase
> diagram in terms of Peierls barrier and tools borrowed
> from weak KAM theory.
>
> Charla de Maik Groeger
>
> Titulo y resumen a confirmar