Wednesday, October 26, 2016

"The Physics of Spreading Processes in Multilayer Networks"

Our progress article on spreading processes in multilayer networks now has its final coordinates in Nature Physics, so here are the details about the article.

Title: The Physics of Spreading Processes in Multilayer Networks

Authors: Manlio De Domenico, Clara Granell, Mason A. Porter, and Alex Arenas

Abstract: Despite the success of traditional network analysis, standard networks provide a limited representation of complex systems, which often include di erent types of relationships (or 'multiplexity') between their components. Such structural complexity has a significant e ect on both dynamics and function. Throwing away or aggregating available structural information can generate misleading results and be a major obstacle towards attempts to understand complex systems. The recent multilayer approach for modelling networked systems explicitly allows the incorporation of multiplexity and other features of realistic systems. It allows one to couple di erent structural relationships by encoding them in a convenient mathematical object. It also allows one to couple di erent dynamical processes on top of such interconnected structures. The resulting framework plays a crucial role in helping to achieve a thorough, accurate understanding of complex systems. The study of multilayer networks has also revealed new physical phenomena that remain hidden when using ordinary graphs, the traditional network representation. Here we survey progress towards attaining a deeper understanding of spreading processes on multilayer networks, and we highlight some of the physical phenomena related to spreading processes that emerge from multilayer structure.

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