| Negative dependence and zeros of polynomials (Eindhoven, Dec 2010) PDF |
| Combinatorics of hyperbolic polynomials (Berkeley, Oct 2010) PDF |
| Obstructions to determinantal representability (IPAM, Oct 2010) PDF |
| The monotone column permanent conjecture (Barcelona, Sept 2010) PDF |
| Tropicalization of hyperbolic polynomials (Banff, Feb 2010) PDF |
| A generalization of the Heine-Stieltjes theorem (ISAAC, July 2009) PDF |
| Correlation inequalities and the geometry of multivariate polynomials (Mark Kac Seminar, Nov 2008) PDF |