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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 5: Young Scientist Award for Socio- and Econophysics

SOE 5.2: Preisträgervortrag

Montag, 16. März 2020, 16:00–16:30, HSZ 01

Multilayer modeling and analysis of complex socio-economic systems — •Manlio de Domenico — ICT Foundazione Bruno Kessler — Laureate of the Young Scientist Award 2020

Complex systems are characterized by constituents -- from neurons in the brain to individuals in a social network -- which exhibit special structural organization and nonlinear dynamics. As a consequence, a complex system can not be understood by studying its units separately because their interactions lead to unexpected emerging phenomena, from collective behavior to phase transitions.

Recently, we have discovered that a new level of complexity characterizes a variety of natural and artificial systems, where units interact, simultaneously, in distinct ways. For instance, this is the case of multimodal transportation systems (e.g., metro, bus and train networks) or of social networks, whose interactions might be of different type (e.g. trust, trade, virtual, etc.).

The unprecedented newfound wealth of socio-economic data allows to categorize system's interdependency by defining distinct ``layers'', each one encoding a different network representation of the system. The result is a multilayer network model.

In this talk we will discuss the most salient features of multilayer systems, with special attention to socio-ecological and socio-technical ones.