[ABE-L] Fwd: Próximo seminário de probabilidade - 10 de janeiro - ADIADO

[Maria Eulalia Vares]

Prezados colegas,

Escrevo para avisar que a palestra do prof. Roberto Fernández foi
adiada. Uma nova data será divulgada oportunamente.

Não haverá seminário de probabilidade nesta segunda. A programação terá
continuidade no dia 24/01.

Atenciosamente,

os organizadores

Em ter., 4 de jan. de 2022 Ã s 07:32, Maria Eulalia Vares <eulalia em im.ufrj.br>
escreveu:

>
>
>
> *Probability Seminar -   IM-UFRJ *
>
>
>
> Dear colleagues,
>
>
>
> Our next seminar will be held on Monday, *January 10, * from *3 p.m. to 4
> p.m*. (Rio de Janeiro local time)
>
> The GoogleMeet link for the seminar is
> https://meet.google.com/pmb-wxav-opv
>
> Speaker:  *Roberto Fernández (NYU Shanghai)*
>
> Title: *High-temperature cluster expansion for classical and quantum spin
> lattice  systems with multi-body interactions*
>
> Abstract:  We develop a novel cluster expansion for finite-spin lattice
> systems subject to multi-body quantum ---and, in particular, classical---
> interactions.  Our approach is based on the use of ``decoupling
> parameters", advocated by Park, which relates partition functions with
> successive additional interaction terms.  Our treatment, however, leads to
> an explicit expansion in a  beta-dependent effective fugacity that permits
> an explicit evaluation of free energy and correlation functions at small
> beta.  To determine its convergence region we adopt a relatively recent
> cluster summation scheme that replaces the traditional use of
> Kikwood-Salzburg-like integral equations by more precise  sums in terms of
> particular tree-diagrams.
>
> Joint work with Nguyen Tong Xuan.
>
>
>
> All the talks are held in English.
>
> More complete information about the seminars will be available at
>
> http://www.dme.ufrj.br/?page_id=2438
>
> Those who do not wish to receive our next announcements may simply send an
> email to  <eulalia em im.ufrj.br>  asking to be removed from the list.
>
> Thanks for circulating this information.
>
> Sincerely,
>
> Organizers: Giulio Iacobelli and Maria Eulalia Vares
>
>
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> de vírus. www.avast.com
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>.
>
> <#m_4820387273033600839_m_2964446089713457162_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
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