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October 2021

Zoe Wyatt, Cambridge – Analysis & PDE Seminar

October 27 @ 12:00 pm - 1:00 pm

Virtual and alternative time to be arranged to accommodate time difference Meeting in-person, 12:00 - 1:00 pm in Phillips Hall 228 Title: Coupled wave and Klein-Gordon equations in two and three spatial dimensions Abstract: Semilinear wave equations in three spatial dimensions with wave--wave nonlinearities exhibit interesting and well-studied phenomena: from John's famous blow-up examples, to the null condition of Christodoulou and Klainerman, and more recently to the weak null condition of Lindblad and Rodnianski. The study of coupled semilinear wave…

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Nishant Chandgotia, Tata institute in India – Ergodic Theory Seminar

October 27 @ 3:00 pm - 4:00 pm

Mode: Zoom Title: About Borel and almost Borel embeddings for ZD actions Abstract:Krieger's generator theorem says that all free ergodic measure preserving actions (under natural entropy constraints) can be modelled by a full shift. Following results by Anush Tserunyan and answering a question by Benjamin Weiss, in a sequence of two papers Mike Hochman noticed that this theorem can be strengthened: He showed that all free homeomorphisms of a Polish space (under entropy constraints) can be Borel embedded into the…

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Lilian Pierce, Duke University – Mathematics Colloquium

October 28 @ 4:00 pm - 5:00 pm

Lilian Pierce, Duke University Mode: Zoom Time: 4:00 pm - 5:00 pm Virtual Tea-time starting at 3:45pm Title: Counting problems: open questions in number theory Abstract: Many questions in number theory can be phrased as counting problems. How many primes are there? How many elliptic curves are there? How many integral solutions to this system of equations are there? How many number fields are there? Sometimes the answer is “infinitely many,” and then we want to understand the order of…

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Chiara Damiolini, University of Pennsylvania – Geometric Methods in Representation Theory Seminar

October 29 @ 4:00 pm - 5:00 pm

Over Zoom

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November 2021

David Nadler, UC Berkley – Mathematics Colloquium

November 4 @ 4:00 pm - 5:00 pm

In-person Title: TBA Abstract: TBA

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Sam Jeralds, UNC-Chapel Hill – Geometric Methods in Representation Theory Seminar

November 5 @ 4:00 pm - 5:00 pm

Over Zoom

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Greg Forest, UNC- Chapel Hill – Mathematics Colloquium

November 11 @ 4:00 pm - 5:00 pm
TBA

Mode: TBD Title: TBA Abstract: TBA

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Xuqiang Qin, UNC-Chapel Hill – Geometric Methods in Representation Theory Seminar

November 12 @ 4:00 pm - 5:00 pm

In-Person Phillips Hall, Room 385

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Hang Huang, Texas A&M – Geometric Methods in Representation Theory Seminar

November 19 @ 4:00 pm - 5:00 pm

Over Zoom

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