34 citations
8 papers
Fixing and almost fixing a planar convex body
Augustin Fruchard
A set of points a 1 ,. .. , a n fixes a planar convex body K if the points are on bdK, the boundary of K, and if any small move of K brings some point of the set in intK, the inter…
Comment Diffusons-nous sur les Réseaux Sociaux ?
Erick Stattner
The emergence of new communication media such as blogs, online newspapers and social networks allow us to go further in the understanding of human behavior. Indeed, these public ex…
Fair partitioning by straight lines
Augustin Fruchard, Alexander Magazinov
A pizza is a pair of planar convex bodies ,where represents the dough and the topping of the pizza. A partition of a pizza by straight lines is a succession o…
What is the minimal cardinal of a family which shatters all d-subsets of a finite set?
N. Chevallier, A. Fruchard
What is the minimal cardinal of a family which shatters all d-subsets of a finite set?
Structure theory of Rack-Bialgebras
Charles Alexandre, Martin Bordemann, Salim Riviere +1
In this paper we focus on a certain self-distributive multiplication on coalgebras, which leads to so-called rack bialgebra. Inspired by semi-group theory (adapting the Suschkewits…
Song-based Classification techniques for Endangered Bird Conservation
Erick Stattner, Wilfried Segretier, Martine Collard +2
The work presented in this paper is part of a global framework which long term goal is to design a wireless sensor network able to support the observation of a population of endang…