James S. McDonnell Postdoctoral Fellow.

Research Fellow at the Santa Fe Institute.

Postdoctoral Researcher at the Institute for Disease Modeling.

Research interests: Complexity, Network Theory, and Nonlinear Dynamics in Epidemiology/Sociology/Ecology


  • NetSci 2017 Satellite

    Antoine Allard, Ben Althouse, Sam Scarpino and I are organizing a satellite conference for NetSci 2017 called Contagion on Networks 2017 and focused on the dynamics of contagion. We are already receiving abstracts, and will fully consider all contributions sent to us before March 12.

  • New paper in PRE

    New paper out in PRE with Uttam Bhat and Munik Shrestha. We open an interesting new problem: Why is the emergence of k-core continuous in networks with triadic closure (transitive linking)? We find that triangles alone do not account for the richness of the phase transitions we observe, which hints at the critical role of overlapping triangles (non-trivial motifs). We are in dire need of better analytical tools to account for these overlapping motifs. To be continued…

  • New NSF grant on network comparison

    Joshua Grochow and I were awarded a grant from NSF’s Division of Mathematical Sciences. Our project is titled Network Comparison, a Cornerstone of the Foundations of Network Science. We should start the real work in the next few months, and we aim to come up with model-free tools of network comparison. To quote ourselves: “To break new ground, we must think in terms of structural distance rather than statistical inference.”

  • News and Views by Thilo Gross

    The always eloquent Thilo Gross wrote a really simple and interesting piece for Nature Physics titled Complex networks: Don’t call in sick. The article covers our recent Nature Physics paper as well as the role of applied network science in general. Highly recommended.

  • New paper out in Nature Physics

    My new paper, with Sam Scarpino and Antoine Allard, is now out in Nature Physics. Main result: Institutions replacing sick workers who stay at home might be driving the spread of influenza. The paper has been gathering a lot of attention, and I especially like the the news articles from The Irish Times, Pacific Standard, and Nature Microbiology.

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