[ABE-L] Seminário de probabilidade e processos estocásticos - IME-USP - 11/06 -15h

[Aline Duarte]

Prezados colegas,

na próxima *sexta-feira*, 11 de junho, às *15h, *acontecerá mais um
seminário do ciclo SPSP-IME-USP de 2021. As informações e os vídeos dos
seminários estão disponíveis em https://sites.google.com/usp.br/psps-ime-usp
.
O link para o evento segue abaixo e ficará disponível também na página do
evento no dia do seminário.

Um abraço,
Aline Duarte
-------------------------------


*Seminar on Probability and Stochastic Processes*
Speaker: Lucas Affonso  - (IME-USP)
Next Friday, *June 11th - 3pm*
Live on Google Meets: https://meet.google.com/ncm-neqz-dut
Video recording will be available on:
https://sites.google.com/usp.br/psps-ime-usp

*Title*: A contour approach to multidimensional long-range Ising models

*Abstract*: In 1982, Fröhlich and Spencer, using ideas introduced by the
same authors in the study of BKT transition, solved a conjecture by Dyson
showing that the one dimensional long-range Ising model with decay [image:
\alpha=2] undergoes a phase transition for small temperatures. After that,
Cassandro, Ferrari, Merola, and Presutti provided a contour argument to
prove phase transition for the same model with more general decays. In this
talk, we will show how a contour argument can be developed to show phase
transition for multidimensional long-range Ising models. As an application,
we will show how our techniques apply to the model with a decaying field.

The talk is based on joint work with Rodrigo Bissacot, Eric O. Endo, and
Satoshi Handa.
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