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Events

Thursday, December 8, 2016 — 2:00 PM EST

Title: Interpretations of the strong Arnold hypothesis

Speaker: Chris Godsil Affiliation: University of Waterloo Room: MC 6486

Abstract: I will discuss two interpretations of the strong Arnold hypothesis, indicating connections to bounds on sizes of cocliques, and to embedding graphs in quadrics.

Wednesday, December 7, 2016 — 3:30 PM EST

Title: Universal Newton Method

Speaker: Yurii Nesterov Affiliation: CORE/INMA UCL, Belgium Room: MC 5501

Abstract

Friday, December 2, 2016 — 3:30 PM to 5:00 PM EST

Title: On the Douglas-Rachford algorithm

Speaker: Heinz Bauschke Affiliation: University of British Columbia Room: MC 5501

Abstract:

The Douglas-Rachford algorithm is a popular splitting method for finding a minimizer of the sum of two convex (possibly nonsmooth) functions; or, more generally, a zero of the sum of two maximally monotone operators.

Thursday, December 1, 2016 — 3:30 PM EST

Title: On excluded minors for real-representability

Speaker: Rutger Campbell Affiliation: University of Waterloo Room: MC 5479

Abstract:

We show that any real representable matroid is a minor of an excluded-minor (for real-representability) that is complex-representable.

Thursday, December 1, 2016 — 2:00 PM EST

Title: Non positive eigenvalues and cographs

Speaker: John Sinkovic Affiliation: University of Waterloo Room: MC 6486

Abstract:

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