Harmonic hierarchies for polynomial optimization, Polynomial Optimization Seminar (BrainPOP), LAAS-CNRS Toulouse, November 2021 (Virtual, Toulouse, France)
Harmonic hierarchies for polynomial optimization, Optimization Seminar, Tepper Business School, November 2021, (Virtual, Carnegie Mellon University, USA)
Nonnegative polynomials on algebraic curves and surfaces, Mathematical Congress of the Americas (MCA 2021), July 2021 (Virtual, Buenos Aires, Argentina).
The geometry of sums-of-squares, Cornell University, Applied Mathematics Colloquium, student selected speaker, May 2021 (Virtual, Cornell U., USA)
The geometry of sum-of-squares on varieties, Nonlinear Algebra Seminar Online, February 2021 (Virtual, Max Planck Institute, Leipzig, Germany)
Optimal pool testing protocols and online learning, Seminario de probabilidad y estadística de Montevideo, July 2020 (Virtual, UDELAR, Uruguay)
Optimal pool testing protocols for COVID-19 (FAPESP seminar focusing maths of COVID-19 on South America, June 2020)[Video ]
Some vignettes on sums-of-squares on varieties (Western Algebraic Geometry Seminar ONline (WAGON), invited talk April 2020)[Video ]
Extremal properties of 2-regular varieties (SIAM conference on applied algebraic geometry plenary talk, July 2019) [Video ]
Pythagoras numbers of projective varieties (ICERM Real Algebraic Geometry and Optimization, October 2018) [Video ]