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The Saddle Point Problem of Polynomials

Zi Yang
Department of Mathematics, UCSD

Abstract:

This talk discusses the saddle point problem of polynomials. We give an algorithm for computing saddle points, based on Lasserre's hierarchy of Moment-SOS relaxations. Under some genericity assumptions, we show that: i) if there exists a saddle point, the algorithm can get one by solving a finite number of relaxations; ii) if there is no saddle point, the algorithm can detect its nonexistence.

Tuesday, October 27, 2020
11:00AM Zoom Meeting ID: 926 7798 0955