Author's posts
Jan 10
Seminar by Dr. Gerardo Iñiguez: Modelling complex contagion with tie heterogeneities
Dr. Gerardo Iñiguez from Institute for Research in Applied Mathematics and Systems, National Autonomous University of Mexico. He is going to talk about: Modelling complex contagion with tie heterogeneities Social influence, the effect that the past behaviour of acquaintances has on our daily decisions, is arguably the main driving mechanism of many complex collective phenomena …
Dec 16
Yannick PhD défense: Deep dive into social network and economic data: a data driven approach for uncovering temporal ties, human mobility and socioeconomic correlations
Date: Friday December 16th at 2pm Place: ENS de Lyon (Site Descartes) in Amphitheatre Descartes. This thesis is interdisciplinary, I will present some results in Network Science, Dynamic Graphs but also Sociology, Economy and Geography. For this reason, it was important for me to organize it in Descartes and if you do not hesitate to …
Dec 15
Paper on Socioeconomic correlations and stratification in social-communication networks
Published in Journal of the Royal Society Interface, 13 125 (2016) Abstract The uneven distribution of wealth and individual economic capacities are among the main forces, which shape modern societies and arguably bias the emerging social structures. However, the study of correlations between the social network and economic status of individuals is difficult due to …
Nov 25
Seminar: The power of local search for clustering by Vincent Viallat Cohen Addad
Abstract : What are the performance guarantees of the algorithms used in practice for clustering problems? In a paper with Phil Klein and Claire Mathieu, we give the first polynomial-time approximation schemes for the following problems: (1) uniform facility location in edge-weighted planar graphs; (2) $k$-median and $k$-means in edge-weighted planar graphs; (3) $k$-means in …