4 papers
The dynamics of discovery and the Heaps-Zipf relationship
Célestin Zimmerlin, Thomas Louail, Manuel Moussallam +1
When following a sequence - such as reading a text or tracking a user's activity - one can measure how the "dictionary" of distinct elements (types) grows with the number of observ…
Modeling the spatial growth of cities
Ulysse Marquis, Marc Barthelemy
The growth of cities has traditionally been studied from a population perspective, while urban expansion-its spatial growth-has often been approached qualitatively. However, charac…
Universal roughness and the dynamics of urban expansion
Ulysse Marquis, Oriol Artime, Riccardo Gallotti +1
Urban sprawl reshapes cities, yet its quantitative laws remain elusive. Analyzing built-up expansion in 19 cities (1985-2015) with tools from surface growth physics in radial geome…
The role of parsimonious models in addressing mobility challenges
Marc Barthelemy
Mobility is a complex phenomenon encompassing diverse transportation modes, infrastructure elements, and human behaviors. Tackling the persistent challenges of congestion, pollutio…