### Extreme Rays of Locally PSD Cones

- Series
- Student Algebraic Geometry Seminar
- Time
- Friday, October 16, 2020 - 09:00 for 1 hour (actually 50 minutes)
- Location
- ONLINE
- Speaker
- Kevin Shu – Georgia Tech – kshu8@gatech.edu

Teams Link: https://teams.microsoft.com/l/meetup-join/19%3a3a9d7f9d1fca4f5b991b4029b09c69a1%40thread.tacv2/1600608874868?context=%7b%22Tid%22%3a%22482198bb-ae7b-4b25-8b7a-6d7f32faa083%22%2c%22Oid%22%3a%223eebc7e2-37e7-4146-9038-a57e56c92d31%22%7d

Locally PSD matrices are a generalization of PSD matrices which appear in sparse semidefinite programming. We will try to explore some connections of extreme rays of this type of matrix with algebraic topology.