- Instructor: Mikhail Ershov
- Office: Kerchof 302
- Office hours: Tu 2:45-4, Wed 1-2:15 and by APPOINTMENT

- First midterm (due on Thursday, October 1st).
- Second midterm (due on Thursday, November 5th).
- Final exam (due on Tuesday, December 8th). Solutions

- Lecture 16. Free groups I
- Lecture 24. Irreducibility in polynomial rings
- Addendum to Lecutre 25. Counting irreducible polynomials
- Lecture 26. Completions of rings
- Lecture 27. l-adic integers
- Lecture 29. Affine algebraic sets etc.

- Homework #1 (due on Thursday, September 3rd).
- Homework #2 (due on Thursday, September 10th).
- Homework #3 (due on Thursday, September 17th).
- Homework #4 (due on Thursday, September 24th).
- Homework #5 (due on Friday, October 9th).
- Homework #6 (due on Thursday, October 15th).
- Homework #7 (due on Thursday, October 22nd).
- Homework #8 (due on Thursday, October 29nd).
- Homework #9 (due on Thursday, November 12th).
- Homework #10 (due on Thursday, November 19th/ Tuesday, November 24th).
- New Year Homework (optional)