Colloquia/Fall2025
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UW-Madison Mathematics Colloquium is on Fridays at 4:00 pm in Van Vleck B239 unless otherwise noted.
mathcolloquium@g-groups.wisc.edu is the mailing list. Everyone in the math department is subscribed.
| date | speaker | title | host(s) | |
|---|---|---|---|---|
| Sphere packing in dimension 8, Viazovska's solution, and a new human proof of her modular form inequalities | Gurevitch | |||
| Sept 13 | No Colloquium | |||
| Sept 20 | Alireza Golsefidy (UCSD) | Closure of orbits of the pure mapping class group on the character variety | Marshall | |
| Sept 25 (Wednesday) in VV 911 (not in B239) | Qing Nie (UC Irvine) | Systems Learning of Single Cells | Craciun | |
| Oct 4 | Su Gao (Nankai University) | Continuous combinatorics of countable abelian group actions | Lempp | |
| Oct 11 in VV 911 (not in B239) | Mikaela Iacobelli (ETH Zurich/IAS Princeton) | Challenges and Breakthroughs in the Mathematics of Plasmas | Li | |
| Oct 18 | Guillaume Bal (U Chicago) | Speckle formation of laser light in random media: The Gaussian conjecture | Li, Stechmann | |
| Oct 25 | Connor Mooney (UC Irvine) | Minimal graphs in higher codimension | Albritton | |
| Nov 1 | Dima Arinkin (UW-Madison) | What is the geometric Langlands conjecture? | ||
| Nov 5 (Tuesday), 4-5 pm in Sterling 1313
Nov 6 (Wednesday), 2-3 pm in Sterling 2335 Nov 7 (Thursday), 4-5 pm in VV 911 |
Maksym Radziwill (Northwestern) | Distinguished Lecture Series | Guo | |
| Nov 15 | Matthew Stover (Temple) | Negative curvature, branched covers, and central extensions | Kent | |
| Nov 18 (Monday) | Will Johnson (Fudan) | Model theory, VC classes, and Henselian rings | Miller | |
| Nov 20 (Wednesday) | Jonathan Chaika (Utah) | Recent progress on the horocycle flow on strata of translation surfaces | Zimmer | |
| Nov 22 | Peter Morfe (Max Planck Institute, Leipzig) | Passive tracer motion in a random incompressible flow: From diffusive to superdiffusive behavior and back again | Feldman | |
| Nov 25 (Monday) | Mari Kawakatsu (UPenn) | Mathematical models of reputation, polarization, and cooperation | Cochran | |
| Nov 26 (Tuesday), 4-5 pm in Sterling 1310 | Marcus Michelen (UIC) | Sphere packing and randomness | Shcherbyna | |
| Nov 29 | Thanksgiving holiday break | |||
| Dec 3 (Tuesday), 4-5 pm in Sterling 1310 | Rajula Srivastava (Edinburgh/Bonn) | Counting, Curvature and Convex Duality | Stovall | |
| Dec 4 (Wednesday) | Niclas Technau (Bonn) | Harmonic Analysis, Number Theory, and fine-scale Statistics | Seeger | |
| Dec 5 (Thursday), 2:30-3:30 pm in 911 VV (not B239) | Jiajie Chen (Courant) | Singularity formation in fluids | Feldman | |
| Dec 6 | Robert Lemke Oliver (Tufts) | Symmetries and counting: Finite group theory and arithmetic statistics | Caldararu | |
| Dec 9 (Monday) | Shanyin Tong (Columbia) | A policy iteration method for inverse mean field games | Rycroft |