2 papers
cs.SI2017
Corporate payments networks and credit risk rating
Elisa Letizia, Fabrizio Lillo
Aggregate and systemic risk in complex systems are emergent phenomena depending on two properties: the idiosyncratic risks of the elements and the topology of the network of intera…
cs.SI2016
Resolution of ranking hierarchies in directed networks
Elisa Letizia, Paolo Barucca, Fabrizio Lillo
Identifying hierarchies and rankings of nodes in directed graphs is fundamental in many applications such as social network analysis, biology, economics, and finance. A recently pr…