I am a postdoctoral research fellow at the Center for the Management of Systemic Risk at Columbia University, funded by a James S. McDonnell Postdoctoral Fellowship in Studying Complex Systems.

During fall 2014, I am a visiting fellow at the Isaac Newton Institute for Mathematical Sciences at Cambridge University for the program Systemic Risk: Mathematical Modeling and Interdisciplinary Approaches.

Research interests

My research aims to understand collective social phenomena, ranging from how people collaboratively create good ideas, to how the financial system undergoes crises, to how changes in behavior spread in a population. This work combines mathematical modeling with empirical studies, drawing from dynamical systems, networks, and probability as well as from statistics and data science.



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Recent publications

For more, please see the publications page.

Charles D. Brummitt, Rajiv Sethi, and Duncan J. Watts. Inside money, procyclical leverage, and banking catastrophesPLoS ONE, 9(8):e104219, August 2014.

Charles D. Brummitt, Shirshendu Chatterjee, Partha S. Dey, and David Sivakoff. Jigsaw percolation: What social networks can collaboratively solve a puzzle? Annals of Applied Probability, 2014. In press. arXiv:1207.1927.

Pierre-André Noël, Charles D. Brummitt, and Raissa M. D’Souza. Controlling self-organizing dynamics using models that self-organizePhysical Review Letters, 111(7):078701, August 2013.