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.