Events - July 2018

Friday, July 27, 2018 — 2:30 PM EDT

Tobias Fritz, Max Planck Institute for Mathematics in the Sciences and the Perimeter Institute

"Hypergraph C*-algebras"

Friday, July 27, 2018 — 1:00 PM EDT

Nickolas Rollick, Pure Mathematics, University of Waterloo

"A Proper Separation -- The Variety Show"

Well, it has only taken two years, but we are finally ready to give the scheme-theoretic definition of "variety".  Along the way, we discuss the notions algebraic geometers use in place of "Hausdorff" and "compact Hausdorff", namely "separated" and "proper" morphisms.  Somehow, it seems fitting to talk about "separation" as we bring this seminar to a close...

Thursday, July 26, 2018 — 4:30 PM EDT

Dan Ursu, Pure Mathematics, University of Waterloo

"C*-simplicity of discrete groups"

Thursday, July 26, 2018 — 3:30 PM EDT

Jeremy Nicholson, Pure Mathematics, University of Waterloo

"The Frobenius Problem and Combinatorics on Words"

Thursday, July 19, 2018 — 1:30 PM EDT

Adam Humeniuk, Pure Mathematics, University of Waterloo

"Existence of the C*-envelope"

In 1969, Arveson defined the C*-envelope of an operator algebra or operator system as a universal quotient amongst all C*-algebras which contain it. He left the existence of the C*-envelope as an open problem. In a whirlwind tour of my Master's research paper, I'll discuss the diverse tools used to prove its existence in the intervening decades.

Wednesday, July 18, 2018 — 1:30 PM EDT

Boyu Li, Pure Mathematics, University of Waterloo

"Regular Dilation on Semigroups"

Tuesday, July 17, 2018 — 3:00 PM EDT

Justin Toth, Combinatorics and Optimization

"Using Linear Algebra to do Matching Theory"

Tuesday, July 17, 2018 — 1:30 PM EDT

Satish Pandey, Pure Mathematics, University of Waterloo

"Symmetrically-Normed Ideals and Characterizations of Absolutely Norming Operators"

Monday, July 16, 2018 — 12:00 PM EDT

Jitendra Prakash, Pure Mathematics, University of Waterloo

"Tsirelson's problems and entanglement breaking rank"

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