Complexity in Statistical Physics and Computer Science, (pdf 4.5 MB), Colloquium, University of Missouri, Rolla, December (2002).
Phase Transitions in Parallel Computational Complexity in Statistical Physics, (pdf 1 MB) STAPHYS22, Bangalore, July (2004).
Computational Complexity and Growth Models in Statistical Physics, (pdf 5.8 MB), Colloquium, Los Alamos National Laboratory, September (2004).
Parallel Computational Complexity and Statistical Physics, (pdf 4.4 MB), Understanding Complex Systems, University of Illinois, May (2005).
Complexity, Parallel Computation and Statistical Physics, (pdf 3.4 MB), seminars at University of New Mexico and Santa Fe Institute, June (2006)
Physics and Phase Transitions in Parallel Computational Complexity (pdf 1.3 MB), invited talk at Physics of Algorithms Conference, August (2009)
Complexity, Parallel Computation and Statistical Physics (pdf 2.9MB). invited talk at the "Measures of Complexity" workshop at the Santa Fe Institute, January (2011)
The Critical Point of the Random Field Ising Model, (pdf 1 MB) Berkeley Stat Mech Meeting, January (2002).
Graphical Representations and the Phase Transition of the Ising Spin Glass, (pdf 0.3MB) Rutgers Stat Mech Meeting, May (2006).
Graphical Representations and Cluster Algorithms, (pdf 0.7 MB) Newton Institute Conference on Markov Chain Monte Carlo Methods, March (2008).
Energy Cascades and Power Law Tails in Granular Gases, (pdf 4.3 MB), Condensed Matter Seminar, Brown University, April (2005).
Energy Cascades and Power Law Tails in Granular Gases (pdf 4.4 MB) Widely Applied Math seminar, Harvard University, December (2005)