UW Math Circle 2025-26
Announcements
9/29/2025: Welcome to Math Circle 2025-26! Our Autumn schedule is now posted below.
Show previous announcements
8/17/2025: Enrollment will open soon. Check back early September for details.
9/10/2025: Enrollment is open on a first-come-first-serve basis, and will close 9/23/2025 or upon reaching capcity, whichever comes first. Enroll today at the link above!
Meeting information
When: Tuesdays 5pm–6:30pm
Where: Room 403 in the Paul G. Allen Center at UW Seattle (185 E Stevens Way NE, Seattle, WA 98195)
Parking options may be found here . The Paul G. Allen Center is directly between “CPG” and “E17” in the above map. It is also an 8 minute walk from University of Washington station on Link light rail, and served by many King County Metro bus routes.
Important dates
| Date | Event |
|---|---|
| 9/30/2025 | First day of autumn quarter |
| 11/11/2025 | Veteran’s Day, no class |
| 12/9/2025 | Last day of autumn quarter |
| Winter break, no class | |
| 1/6/2026 | First day of winter quarter |
| 2/17/2026 | SPS mid-winter break, no class |
| 3/17/2026 | Last day of winter quarter |
| Spring break, no class | |
| 3/31/2026 | First day of spring quarter |
| 4/14/2026 | SPS spring break, no class |
| 6/9/2026 | Last day of spring quarter |
Autumn quarter schedule
| Week | Date | Topic |
|---|---|---|
| 1 | 9/30/2025 | Combinatorial games |
| 2 | 10/7/2025 | Presentations and proofs |
| 3 | 10/14/2025 | Guest session by Andrei Okounkov (TBD) |
| 4 | 10/21/2025 | Polyhedra |
| 5 | 10/28/2025 | Pigeonhole principle |
| 6 | 11/4/2025 | More combinatorial games |
| 11/11/2025 | Veteran’s Day, no class | |
| 7 | 11/18/2025 | Knot theory |
| 8 | 11/25/2025 | Non-Euclidean geometry |
| 9 | 12/1/2025 | Introduction to number theory |
| 10 | 12/9/2025 | Puzzles |
Note that there is no Thanksgiving break this year, because Veteran’s Day falls on a Tuesday.
Questions?
Contact Julia Pevtsova at: julia [at] math [dot] washington [dot] edu.