Regensburg 2013 – wissenschaftliches Programm

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 25: Poster session

SOE 25.17: Poster

Donnerstag, 14. März 2013, 17:15–19:00, Poster C

Network resilience for interdependent networks — •Marcell Stippinger and Éva Rácz — Department of Theor. Phys., Budapest Univ. of Technology and Economics, 8 Budafoki út, H-1111 Budapest, Hungary

The ongoing economic crisis has drawn special attention to the importance of network stability. Following the work of Buldyrev et al. (Nature 464, 1025*1028, 2010), we examine the behavior of interdependent networks under random failures. Motivated by real-life scenarios, we introduce the possibility of edge re-organization, as a means of enhancing network resilience, to the original model. The interdependence between two networks is known to lead to cascading failures, resulting in a first-order phase transition concerning the size of the mutually connected giant component. In our variant of the model, networks are able to *heal* to a degree that is easily tuned by a model parameter. We investigate the effect of healing on the order of the phase transition as a function of this parameter. We present simulation results for different kinds of network topologies and compare our results with previous findings.