Workshops

Spring 2019

Hyperbolic Polynomials and Hyperbolic Programming

Apr 30, 2019 to May 3, 2019

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Click on the titles of individual talks for abstract, slides and archived video.

Tuesday, April 30th, 2019
9:00 am–9:20 am		Coffee and Check-in
9:20 am–9:30 am		Opening Remarks
9:30 am–10:15 am		Certificates of Polynomial Non-Negativity via Hyperbolic Optimization James Saunderson (Monash University)
10:15 am–10:30 am		Questions/Discussion
10:30 am–11:15 am		Primal-Dual Algorithms for Hyperbolic Programming Problems Levent Tuncel (University of Waterloo)
11:15 am–11:30 am		Questions/Discussion
11:30 am–11:45 am		Break
11:45 am–12:30 pm		First-Order Methods and Hyperbolic Programming James Renegar (Cornell University)
12:30 pm–12:45 pm		Questions/Discussion
12:45 pm–2:15 pm		Lunch
2:15 pm–3:00 pm		Tight Semidefinite Programming Relaxations for Polynomial Optimization Jiawang Nie (UC San Diego)
3:00 pm–3:15 pm		Questions/Discussion
3:15 pm–3:30 pm		Break
3:30 pm–4:15 pm		Volumes of Sublevel Sets of Homogeneous Polynomials Jean-Bernard Lasserre (LAAS-CNRS)
4:15 pm–4:30 pm		Questions/Discussion
4:30 pm–6:00 pm		Reception

Wednesday, May 1st, 2019
9:00 am–9:30 am		Coffee and Check-in
9:30 am–10:15 am		Discrete Optimization using Log-Concave Polynomials Nima Anari (Stanford University)
10:15 am–10:30 am		Questions/Discussion
10:30 am–11:15 am		Completely Log-Concave Polynomials Cynthia Vinzant (North Carolina State University)
11:15 am–11:30 am		Questions/Discussion
11:30 am–11:45 am		Break
11:45 am–12:30 pm		Combinatorial Characterizations in Semidefinite Programming Duality: How Elementary Row Operations Help Gabor Pataki (University of North Carolina at Chapel Hill)
12:30 pm–12:45 pm		Questions/Discussion
12:45 pm–2:15 pm		Lunch
2:15 pm–3:00 pm		Optimization over the Hypercube via Sums of Nonnegative Circuit Polynomials Mareike Dressler (UC San Diego)
3:00 pm–3:15 pm		Questions/Discussion
3:15 pm–3:30 pm		Break
3:30 pm–4:15 pm		An Interior-Point Method for Convex Optimization over Non-symmetric Cones Dávid Papp (North Carolina State University)
4:15 pm–4:30 pm		Questions/Discussion

Thursday, May 2nd, 2019
9:00 am–9:30 am		Coffee and Check-in
9:30 am–10:15 am		Ehrhart Polynomials of Dilated Polytopes Katharina Victoria Jochemko (KTH Royal Institute of Technology)
10:15 am–10:30 am		Questions/Discussion
10:30 am–11:15 am		Max Cut with Linear Programs: Sherali-Adams Strikes Back Tselil Schramm (Harvard & MIT)
11:15 am–11:30 am		Questions/Discussion
11:30 am–11:45 am		Break
11:45 am–12:30 pm		Positively Hyperbolic Varieties Josephine Yu (Georgia Institute of Technology)
12:30 pm–12:45 pm		Questions/Discussion
12:45 pm–2:15 pm		Lunch
2:15 pm–3:00 pm		Formulas for Riesz Kernels Khazhgali Kozhasov (Max Planck Institute for Mathematics in the Sciences)
3:00 pm–3:15 pm		Questions/Discussion
3:15 pm–3:30 pm		Break
3:30 pm–4:15 pm		Your Dreams May Come True with MTP2 Caroline Uhler (Massachusetts Institute of Technology)
4:15 pm–4:30 pm		Questions/Discussion

Friday, May 3rd, 2019
8:30 am–9:00 am		Coffee and Check-in
9:00 am–9:45 am		Constrained Subset Selection Problems under Diversity Measures Mohit Singh (Georgia Institute of Technology)
9:45 am–10:00 am		Questions/Discussion
10:00 am–10:45 am		Exponential Lower Bounds on Spectrahedral Representations of Hyperbolicity Cones Nick Ryder (UC Berkeley)
10:45 am–11:00 am		Questions/Discussion
11:00 am–11:15 am		Break
11:15 am–12:00 pm		Kippenhahn's Theorem in Higher Dimensions Daniel Plaumann (TU Dortmund University)
12:00 pm–12:15 pm		Questions/Discussion
12:15 pm–1:00 pm		Linear Preservers of Stable and Lorentzian Polynomials and Deformations of Hyperbolicity Cones Petter Brändén (KTH Royal Institute of Technology)
1:00 pm–1:15 pm		Questions/Discussion