Gregory G. Smith

  1. Title:
    Sums of squares and quadratic persistence
    Speaker:
    Gregory G. Smith

    Link:
    http://www.birs.ca/events/2019/5-day-workshops/19w5180/videos/watch/201905271650-Smith.html

  2. Title:
    Nonnegative sections and sums of squares
    Speaker:
    Gregory G. Smith

    Link:
    http://www.birs.ca/events/2013/5-day-workshops/13w5062/videos/watch/201302010951-Smith.html