PhD Defence • Artificial Intelligence — Understanding Minimax Optimization in Modern Machine LearningExport this event to calendar

Friday, July 9, 2021 10:00 AM EDT

Please note: This PhD defence will be given online.

Guojun Zhang, PhD candidate
David R. Cheriton School of Computer Science

Supervisors: Professors Pascal Poupart, Yaoliang Yu

Recent years have seen a surge of interest in building learning machines through adversarial training. In most cases, the formulation of adversarial training is through minimax optimization, or smooth games in a broader sense. There are mainly two focuses within recent minimax optimization research. One is on the solution concepts: what is a desirable solution concept that is both meaningful in practice and easy to compute? Another focus of recent research in the area of minimax optimization is about proposing stable and efficient algorithms. In this defence I will present my research work during my PhD that addresses these two problems, including the study of solution concepts, the stability criteria of gradient algorithms, and the convergence analysis of Newton-type methods.


To join this PhD defence on Zoom, please go to https://vectorinstitute.zoom.us/j/96838893661?pwd=UUlLekxNQzJjOFY0a29VNVppSG1MUT09.

Location 
Online PhD defence
200 University Avenue West

Waterloo, ON N2L 3G1
Canada
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