December 2019

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Monday, December 2, 2019 — 4:00 PM EST

Messoud Efendiyev, Helmholtz Zentrum Munich

"Symmetry and Attractors"

Tuesday, December 3, 2019 — 1:30 PM EST

Fei Hu, Department of Pure Mathematics, University of Waterloo

Building on previous preliminary results on the valuative tree at infinity (e.g., classification of valuations), I will describe the proof of Medvedev-Scanlon-Zhang conjecture for polynomial endomorphisms of the affine plane given by Junyi Xie in 2017.

Tuesday, December 3, 2019 — 2:00 PM EST

Dino Rossegger, Pure Math Department, University of Waterloo

"Analytic complete equivalence relations and their degree spectra"

Monday, December 9, 2019 — 3:00 PM EST

Yi Wang, State University of New York at Buffalo

"Arveson-Douglas Conjecture --- a Harmonic Analysis Approach"

Tuesday, December 10, 2019 — 3:00 PM EST

Maggie Miller, Princeton University

"Light bulbs in 4-manifolds"

Thursday, December 12, 2019 — 11:00 to 11:00 AM EST

Wilson Poulter, Department of Pure Mathematics, University of Waterloo

"NIP IX"

We continue section 3.2 of Simon's Guide to NIP theories.

MC 5413

Friday, December 13, 2019 — 2:30 PM EST

Jeremy Usatine, Brown University

"Hyperplane Arrangements and Compactifying the Milnor Fiber"

Milnor fibers are invariants that arise in the study of hypersurface singularities. A major open conjecture predicts that for hyperplane arrangements, the Betti numbers of the Milnor fiber depend only on the combinatorics of the arrangement. I will discuss how tropical geometry can be used to study related invariants, the virtual Hodge numbers of a hyperplane arrangement's Milnor fiber. This talk is based on joint work with Max Kutler.

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