[ABE-L] Próximo seminário de probabilidade - IM - UFRJ - 04 de outubro

[Maria Eulalia Vares]

*Probability Webinar -   IM-UFRJ*



Dear colleagues,

Our next online seminar will be held on Monday, *October 4, * from *3 p.m.
to 4 p.m*. (Rio de Janeiro local time)

The Zoom link for the seminar is

https://us02web.zoom.us/j/83698166702?pwd=ejFxYmh3dVk5b3J3SG0wMWxEVnVrUT09


Speaker:  *Luiz Renato Fontes (IME-USP)*

Title:  *Contact process under heavy-tailed renewals on finite graphs*

Abstract: We look at the contact process with ordinary rate lambda
exponential infections and heavy tailed cures, attracted to an alpha-stable
law with alpha < 1,  on a finite graph of size k. Our aim is to ascertain
conditions on alpha and k such that the critical lambda for survival of the
infection vanishes. We obtain nearly sharp (in a sense to be clarified)
bounds on the critical k, k_c = k_c(alpha), which is always a finite
number, such that the infection dies out almost surely for any lambda <
infty at and below k_c; and there is positive probability of survival for
any lambda > 0 above k_c. This is joint work with Pablo Almeida Gomes and
Rémy Sanchis, published recently, in Bernoulli 27(3).



All the talks are held in English.

The videos of the online seminars are available:

2020 -  http://www.dme.ufrj.br/?page_id=2885

2021-1  - http://www.dme.ufrj.br/?page_id=3027

For the second semester, a few days after each meeting the video should be
available at http://www.dme.ufrj.br/?page_id=3178

Thanks for circulating this information.

Sincerely,
Organizers: Guilherme Ost and Maria Eulalia Vares
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