The Utrecht Geometry Center seminar is the biweekly pure mathematics colloquium from Utrecht University. In its current incarnation, talks are mostly given by our own members, explaining their work to the whole department in an approachable manner.
- When: Tuesdays 16.00-17.00. We encourage attendees to stay around afterwards for informal discussion.
- Where: Online over Zoom.
- How: The biweekly invitations to the Zoom meetings are sent to the mailing lists for staff and master students. If you have not received an announcement, please do write to one of the organisers (see below).
Title: Counting quaternion algebras, with applications to spectral geometry
Speaker: Lola Thompson
Date: October 27, 2020
We will introduce some classical techniques from analytic number theory and show how they can be used to count quaternion algebras over number fields subject to various constraints. Because of the correspondence between maximal subfields of quaternion algebras and geodesics on arithmetic hyperbolic manifolds, these counts can be used to produce quantitative results in spectral geometry. This talk is based on joint work with B. Linowitz, D. B. McReynolds, and P. Pollack.
Speaker: Marta Pieropan
Date: November 10, 2020
Speaker: Valentijn Karemaker
Date: December 8, 2020
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