Here are some recent talks. I'll try to add a few more in the near future.

# Talks

**Semidefinite approximations of the matrix logarithm (and related functions) [PDF]**

Caltech CMS, November 2018.**Graph structure in polynomial systems: chordal networks [PDF]**

2016 SIAM Annual Meeting, plenary talk, July 2016.**Dimension reduction for semidefinite programming [PDF]**

Mathematical Optimization Down Under (MODU2016), Melbourne, Australia, July 2016.**Convex sets, matrix factorizations and positive semidefinite rank [PDF]**

20th Conference of the International Linear Algebra Society (ILAS), plenary talk, July 2016.**From stable sets to sums of squares and cone factorizations [PDF]**

Oberwolfach Workshop on Combinatorial Optimization, November 2011.**An optimal architecture for decentralized control over posets [PDF]**

ISL Colloquium, Stanford University, March 2011.**Rank/sparsity minimization and latent variable graphical model selection [PDF]**

IPAM Workshop on Numerical Methods for Continuous Optimization, October 2010.**Consistency of Preferences and Near-Potential Games [PDF]**

Workshop on Distributed Decisions via Games and Price Mechanisms, Lund University, Sweden, March 2010.**The convex algebraic geometry of rank minimization [PDF]**

International Symposium on Mathematical Programming (ISMP 2009), plenary talk, August 2009.**Semidefinite programming and convex algebraic geometry [PDF]**

Foundations of Computational Mathematics (FoCM 2008), plenary talk, June 2008.**Exact semidefinite representations for genus zero curves [PDF]**

Banff Workshop on "Positive polynomials and optimization", Banff, October 2006.**Sum of squares optimization in the analysis and synthesis of control systems [PDF]**

2006 American Control Conference (ACC 2006), Eckman Lecture, June 2006.**SOS/SDP methods: from optimization to games [PDF]**

31th LNMB Conference on the Mathematics of Operations Research, Lunteren, The Netherlands, January 2006.

Last-modified: Mon Oct 11 23:02:19 EDT 2010