GALaC team at LRI, Paris-Sud

GALaC is a research group at LRI, Paris-Sud University. We are focused on graph theory, combinatorics and network distributed systems algorithmic.

A global presentation of research activities in GALaC was made in 2013 for the AERES evaluation: Slides AERES 2013 and projet.

Recent Posts

Eliminating more than vertices in graphs

-- Thomas Delépine (Université Paris-Saclay)

summary: Considérons le jeu suivant sur un graphe. À chaque tour, le joueur peut enlever un sommet de chaque composante connexe du graphe courant. Le but du jeu est d’éliminer tous les sommets du graphe. Le nombre minimum de tours nécessaires est appelé la treedepth du graphe. C’est ...

Reconstruction de graphes via des requêtes sur les triplets

-- Raphaëlle Maistre (Université Paris-Saclay)

summary: Considérons un oracle disposant d'un graphe labellisé caché. L'objectif de la reconstruction de graphes est de retrouver ce graphe caché en interrogeant l'oracle avec certains types de requêtes. Les requêtes que nous examinons portent sur des triplets de sommets du graphe, plus précisément, sur la structure ...

Fractional domatic number and minimum degree

-- Hugo Demaret (IPP)

summary: We present a study of a graph parameter in graph theory, named the fractional domatic number. A dominating set in a graph is a set of vertices such that every vertex outside the set is adjacent to a vertex in the set. The domatic number of a graph is ...

Travo: a classroom open source Python toolkit

-- Chiara Marmo (LISN)

summary: Teaching computer science or computational courses inevitably implies collaboration on code. Software forges can provide helpful infrastructure to support and improve collaboration in teaching workflows. This talk will present Travo, an open source Python toolkit turning your favorite forge into a flexible management solution for computer assignments. Travo is ...

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