Computer Risks

Main content

This page summarizes ongoing research on Computer Risks, and particularly Cyber-Risks as well as investigation on Open Source Success (Failure). 



Identity Thefts as Proxy of Cyber-Risks: An Empirical Study

Spencer Wheatley, Thomas Maillart and Didier Sornette, The Extreme Risk of Personal Data Breaches & The Erosion of Privacy, ETH preprint (2015)

T. Maillart and D. Sornette, Heavy-tailed distribution of cyber-risks, Eur. Phys. J. B 75, 357-364 (2010)
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Success and Failure Mechanisms in Open Source Projects

Evolution of the Open Source Ecosystem


D. Sornette, T. Maillart and G. Ghezzi, How Much is the Whole Really More than the Sum of its Parts? 1+1=2.5:  Superlinear Productivity in Collective Group Actions, PLoS ONE 9(8): e103023. doi:10.1371/journal.pone.0103023 (15 pp) (2014)  (

T. Maillart, D. Sornette, S. Spaeth and G. von Krogh, Empirical Tests of Zipf's law Mechanism In Open Source Linux Distribution, Physical Review Letters 101, 218701 (2008)




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