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Dr. Jan Lorenz
Dr. Jan Lorenz
Postdoctoral Fellow
Psychology & Methods

Campus Ring 1 28759 Bremen Germany

+49 421 200-3303
j.lorenz [at]
Research IV, Room 61 b
Research Interests: 

Applied mathematician and social scientist.
Research Topics:
processes of opinion formation, processes of decision making, aggregation of the wisdom of crowds, rating systems, voting systems, consensus algorithms, swarms, cascades on networks, systemic risk, social cohesion
Tools: modeling and simulation, large scale data analysis, experiments, mathematical and statistical analysis
Mathematical fields: nonnegative matrices, inhomogeneous Markov chains, repeated application of means, positive dynamical systems, multiplicative and additive stochastic processes
General scientific interests: game theory, mathematics and politics, socio- and econo-physics, complex systems, network theory

University Education: 

Diploma in Mathematics 2003 University of Bremen Dr. rer. nat. Mathematics 2007 University of Bremen

Fellowships and Awards: 

Full Stipend (2004-2006) for Doctoral Studies from Friedrich Ebert Foundation, Germany Prize for Applied Research in Complexity Science (3000 EUR), Best Poster, Workshop “Potentials of Complexity Science for Business, Governments, and the Media 2006”, Aug 3–5, 2006, Budapest, Hungary

Research and Teaching Positions: 

Postdoc, Chair of Systems Design, ETH Zurich (2007-2009) Researcher and Lecturer, Institut for Social Sciences, Carl-von-Ossietzky Universität Oldenburg (2010-2012,2014)

Funded Projects: 

2012-2014 Working for cohesion radar (project of Klaus Boehnke and Jan Delhey funded by the Bertelsmann Stiftung) since 2014 DFG funded project "Opinion Dynamics and Collective Decision: Procedures, Behavior and Systems Dynamics" (Principal Investigator, more information here)


See CV.