GALaC organizes or participates in three different regular seminars.

GALaC team seminar

The GALaC team seminar is organized once a month on Friday at 14:30 in the Ada Lovelace building at LRI. Recent and up-coming seminars

Plateau Saclay Combinatorics Seminar

The Plateau Saclay Combinatorics Seminar is held every Wednesday morning at 11 AM in room Flajolet (top floor on the left) at LIX. It is co-organized by the Combi team of LIX and the GALaC team. The mailing list for this seminar is Subscribe to this ...

Plateau Saclay Algorithms Seminar

The Plateau Saclay Algorithms Seminar is held every other Friday afternoon in LIX. This working group is partially supported by Labex DigiCosme (Digital worlds: distributed data, programs and architectures). If you do wish (or not) to receive any emails from this seminar, you can subscribe or unsubscribe from the mailing ...

High Performance Combinatorics

-- Florent Hivert (Université Paris-Sud)

partly joint with Jean Fromentin In this talk, I will report on several experiments around large scale enumerations in enumerative and algebraic combinatorics. In a first part, I'll present a small framework implemented in Sagemath allowing to perform map/reduce like computations on large recursively defined sets. Though it ...

Polytopal Realizations of Finite Type g-Vector Fans

-- Salvatore Stella (University of Haifa, Israel)

To any cluster algebra with principal coefficients A, and by extension to any other cluster algebra, it is associated a simplicial fan that encodes the underlying combinatorial structure: the g-vector fan. When A is of finite type, this fan has a natural interpretation in terms of a (not necessarily finite ...

Limite d'échelle des permutations séparables : description et universalité du permuton séparable Brownien

-- Mickaël Maazoun (UMPA, ENS Lyon)

Travaux en collaboration avec F. Bassino, M. Bouvel, V. Feray, L. Gerin et A. Pierrot. Le permuton séparable Brownien a été introduit par Bassino et. al. (2016) comme la limite d'échelle des permutations séparables. C'est une mesure aléatoire sur le carré unité, construite à partir d'une excursion ...

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Translations: fr