Hamza Fawzi
Home Publications Talks/Slides Code
Talks
 The set of separable states has no finite semidefinite representation except in dimension 3x2, SIAM Applied Algebraic Geometry 2019 (Bern), ICMS 2019 (Edinburgh)
 Polyhedral approximations of the positive semidefinite cone, ICERM Workshop on Real Algebraic Geometry and Optimization 2018 (Providence, RI), ICCOPT 2019 (Berlin), Tilburg 2019
 Semidefinite approximations of the matrix logarithm. Talk given at various places, including Oxford, Manchester, Alan Turing Institute, UC Louvain, Paris, Amsterdam.
 Semidefinite programming lifts and sparse sumsofsquares
presented at Cornell ORIE Workshop on DataDriven DecisionMaking, October 2015.

Equivariant semidefinite lifts and sumofsquares hierarchies
presented at International Symposium on Mathematical Programming (ISMP) 2015, July 2015, Pittsburgh.
 Sparse sumofsquares certificates on finite abelian groups
presented in March 2015 at
 Caltech Computing and Mathematical Sciences seminar
 UCLA Electrical Engineering seminar
 Georgia Tech Mathematics  Algebra Seminar

Equivariant semidefinite lifts of regular polygons
presented at the 5th Cargèse Workshop on Combinatorial Optimization, September 2014, Cargèse (France).

Selfscaled bounds for atomic cone ranks: applications to nonnegative rank and cprank
presented in May 2014 at

Lower bounds on nonnegative rank via nonnegative nuclear norms
presented at
 Secure stateestimation for dynamical systems under active adversaries
presented at Allerton Conference on Communication, Control, and Computing, September 2011.