333 citations · 1.8k across the 40 of their papers we have counts for
5 papers · 1 filter
A Yule-Simon process with memory
C. Cattuto, V. Loreto, V. D. P. Servedio
The Yule-Simon model has been used as a tool to describe the growth of diverse systems, acquiring a paradigmatic character in many fields of research. Here we study a modified Yule…
On the Widespread Occurrence of the Inverse Square Distribution in Social Sciences and Taxonomy
Guido Caldarelli, Cecile Caretta Cartozo, Paolo De Los Rios +1
The widespread occurrence of an inverse square relation in the hierarchical distribution of sub-communities within communities (or sub-species within species) has been recently inv…
The scale-free topology of market investments
Diego Garlaschelli, Stefano Battiston, Maurizio Castri +2
We propose a network description of large market investments, where both stocks and shareholders are represented as vertices connected by weighted links corresponding to shareholdi…
Vertex Intrinsic Fitness: How to Produce Arbitrary Scale-Free Networks
Vito D. P. Servedio, Guido Caldarelli, Paolo Butta`
We study a recent model of random networks based on the presence of an intrinsic character of the vertices called fitness. The vertices fitnesses are drawn from a given probability…
Statistical Features of Drainage Basins in Mars Channel Networks
Guido Caldarelli, Paolo De Los Rios, Marco Montuori
Erosion by flowing water is one of the major forces shaping the surface of Earth. Studies in the last decade have shown, in particular, that the drainage region of rivers, where wa…