**Class:** Tuesdays and Thursdays 1:30 - 2:45pm in ~~Science Center 310~~ cyberspace

**Instructor:** Fabian Gundlach (`LASTNAME@math.harvard.edu`

), office hours Tuesdays and Thursdays 3-4pm in ~~room 233~~ cyberspace

Ideas for the final paper, which will be due **Wednesday, May 20, at noon** (deadline has been extended by one week). If you send me a draft by May 13 (the earlier the better!), I will have a look and let you know if I have any comments.

Instead of class, we will do a **field trip** to Alex Smith's phd thesis defense on Tuesday, April 28 at 2pm. There will be a make-up class on Thursday, April 30 at the usual time.

- Problem set 1, solutions
- Problem set 2 (slightly improved problem 6), solutions
- Problem set 3, solutions
- Problem set 4 (fixed definition of the action of \(\mathrm{GL}_2(\mathbb Z)\) on \(\mathcal V(\mathbb Z)\)), solutions
- Problem set 5 (changed the constant factor in problem 6a), solutions
- Problem set 6, solutions
- Problem set 7, solutions
- Problem set 8

`529-279-877`

.
The password is the product of the six smallest prime numbers. Please contact me by email with any issues.