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Colloquium

Mathematics Colloquium

Date:
Time:
4:00 pm – 4:50 pm
Avery Hall Room: 115
1144 T St
 Lincoln NE 68508
Additional Info: AVH
Contact:
Steven Cohn, (402) 472-7223, scohn1@unl.edu
Speaker: Gregory G. Smith
Affiliation: Queen’s University
Title: Nonnegativity Certificates on Real Projective Curves
Local Host: Brian Harbourne

Additional Public Info:
How can one use sums of squares to characterize nonnegative polynomials?
In this talk, we will review some general methods for certifying that a polynomial
is nonnegative on a real projective subvariety. We will then present new optimal
degree bounds for certificates on real projective curves. This talk is based on
joint work with Greg Blekherman and Mauricio Velasco.

Refreshments will be served 3:30-4:00 in 348 Avery. The talk is free and open to the public.

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