Janusz Hołyst is a Professor of Warsaw University of Technology, Faculty of Physics. His research focuses on development of the methods of nonlinear dynamics and statistical physics in application to economy (e.g. public transport networks in Poland, information processing, DSS) and sociology (e.g. collective emotions online, cyber security) including statistical analysis, volatility clustering and scaling for financial time series.
Main research interests: Physics of complex systems, sociopathic, econophysics, complex networks, statistical physics, online community.

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Janusz Hołyst teaches the following courses: