GALaC organizes or participates in three different regular seminars.

GALaC team seminar

The GALaC team seminar is organized on a regular basis on Friday at 14:00 in the PCRI building (650) at LISN. Recent and up-coming seminars

Plateau Saclay Combinatorics Seminar

The Plateau Saclay Combinatorics Seminar is held on several Mondays at 11am in room Philippe 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 ...

The Canadian Traveller Problem on outerplanar graphs

-- Pierre Bergé (LIMOS)

summary: We focus on the PSPACE-complete k-Canadian Traveller Problem, where a weighted graph with a source s and a target t are given. This problem also has a hidden input of cardinality at most k representing blocked edges. The objective is to travel from s to t with the minimum ...


-- Gervais Mendy Samuel Ouya (Université Cheikh Anta Diop de Dakar, LITA)

summary: TBA

Recent Advances in Distributed Coloring

-- Maxime Flin (Reykjavik University)

summary: The study of distributed graph algorithms aims to understand the limitations inherent to local computations. In a seminal paper, Linial (1992, SIAM J. Computing) introduced the LOCAL model to formalize this question. In this model, the input graph is seen as a communication network where vertices are computers. They ...

An acylic orientation problem with parity constraints

-- Matthieu Petiteau (Université Grenoble Alpes)

summary: Let G = (V, E) be a connected graph and T be a subset of the vertices. An orientation of G is a choice of a direction for each edge of the graph, it is said to be acylic if does not contain any directed cycle. An orientation of G ...

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Translations: fr