SUNY at Stony Brook MAT 314: Abstract Algebra II
Spring 2019

Syllabus and Homeworks

There will be weekly homeworks, posted on Th. The homeworks will be announced on the course web page.

The syllabus below is tentative and subject to change.

Week Dates Notes Topics HW Due date
1 1/28 - 2/1 Rings and modules. Examples: vector spaces, abelian groups, modules over F[x]. Submodules and quotients no HW
2 2/4 - 2/8 Kernel, image, isomorphism theorem. Generators and relations. HW1 Th, 2/14
3 2/11 - 2/15 Class on Tu was cancelled. Structure theorem for finitely generated modules over Z (aka abelian groups). HW2 Th, 2/21
4 2/18 - 2/22 Structure theorem for finitely generated abelian groups - completion: bringing an integer matrix to a canonical form. Principal ideal domains. HW3 Th, 2/28
5 2/25 - 3/1 Structure theorem for modules over a PID. Jordan canonical form. HW4 Th, 3/7
6 3/4 - 3/8 Group representations: basic definitions, irreducible representations, Schur's lemma. HW5 Th, 3/14
7 3/11 - 3/15 Group representations: complete reducibility, characters No HW
3/18 - 3/22 Spring Break
8 3/25 - 3/29 Fields and extensions. Splitting field of a polynomial HW6 Th, 4/4
9 4/1 - 4/5 Finite extensions; degree. Algebraic extensions. No HW
10 4/8-4/12 Algebraic extensions continued. Constructions with ruler and compass HW7 Th, 4/18
11 4/15-4/19 Cyclotomic polynomials; constructions of regular n-gon. Normal extensions. HW8 Th, 4/25
12 4/22-4/26 Galois group. Main theorem of Galois theory HW9 Th, 5/2
13 4/29 - 5/3 Examples of Galois group. Symmetric polynomials HW10 Th, 5/9