Math 321

Foundations of Abstract Algebra

General Information Schedule Homework

Schedule

We will cover most of the material in Chapters 0-6, 8-10, 12, 14-16 of the textbook, along with 11.1 and parts of Chapter 19.

Class Number Date Sections in Text Brief Description
1 Friday, 8/28 0.1, 0.2 Introduction, Motivation, Operations on Sets
2 Monday, 8/31 0.2 Relations, Functions, Injections, Surjections, Inverses
3 Wednesday, 9/2 0.2 Equivalence Relations
4 Friday, 9/4 1.1, 1.2 Mathematical Induction, Division, Greatest Common Divisors
5 Monday, 9/7 1.2 GCDs, Euclidean Algorithm, Primes
6 Wednesday, 9/9 1.2, 2.1, 2.2 Prime Factorization, Modular Arithmetic, Groups
7 Friday, 9/11 2.2 Properties of Groups
8 Monday, 9/14 2.3, 3.1 Subgroups, Cyclic Groups
9 Wednesday, 9/16 3.1, 3.2 The Structure of Cyclic Groups, More Examples of Groups
10 Friday, 9/18 4.1 The Symmetric Group, Permutation Groups, Cycle Notation
11 Monday, 9/21 - First Exam
12 Wednesday, 9/23 4.1, 4.2 Alternating and Dihedral Groups
13 Friday, 9/25 5.1 Cosets
14 Monday, 9/28 5.2, 5.3 Lagrange's Theorem and Applications
15 Wednesday, 9/30 6.1 Primality Tests, Substitution Ciphers, Private Key Cryptography
16 Friday, 10/2 6.2 Public Key Cryptography, RSA
17 Monday, 10/5 8.1 Isomorphisms
18 Wednesday, 10/7 8.1, 8.2 Cayley's Theorem, Direct Products of Groups
19 Friday, 10/9 8.2, 9.1 Internal Direct Products, Motivating Quotient Groups
20 Monday, 10/12 9.1 Normal Subgroups, Quotient Groups
21 Wednesday, 10/14 - Second Exam
22 Friday, 10/16 9.2 Examples of Quotient Groups, Group Homomorphisms
- Monday, 10/19 - Fall Break
- Wednesday, 10/21 - Fall Break
- Friday, 10/23 - Fall Break
23 Monday, 10/26 9.2, 9.3 Group Homomorphisms, Simple Groups, The First Isomorphism Theorem
24 Wednesday, 10/28 9.3 The Isomorphism and Correspondence Theorems
25 Friday, 10/30 10.1, 11.1 The Orthogonal Group, Finite Abelian Groups
26 Monday, 11/2 11.1, 12.1 Fundamental Theorem of Finitely Generated Abelian Groups, Group Actions
27 Wednesday, 11/4 12.1, 12.2 Orbits, Stabilizers, The Class Equation
- Friday, 11/6 - Class Canceled
28 Monday, 11/9 12.2 Conjugation, Consequences of the Class Equation
29 Wednesday, 11/11 12.3 Burnside's Lemma, Counting Orbits
30 Friday, 11/13 14.1, 14.2 Introduction to Rings
31 Monday, 11/16 14.2, 14.3 Integral Domains, Fields, Ideals
32 Wednesday, 11/18 - Third Exam
33 Friday, 11/20 14.3, 14.4 Quotients, Maximal and Prime Ideals
34 Monday, 11/23 15.1, 15.2 Polynomial Rings, Division
35 Wednesday, 11/25 15.2, 15.3 Roots, GCDs in Polynomial Rings, Irreducibles
- Friday, 11/27 - Thanksgiving Break
36 Monday, 11/30 15.3 Gauss' Lemma, Irreducibility Criteria
37 Wednesday, 12/2 15.3, 16.1 Quotients of F[x], Fields of Fractions
38 Friday, 12/4 16.2 Factorizations, PIDs, UFDs
39 Monday, 12/7 16.2 PIDs are UFDs, Noetherian Rings
40 Wednesday, 12/9 16.2, 18.1 Euclidean Domains, Vector Spaces
41 Friday, 12/11 - Algebraic and Transcendental Numbers, Fundamental Theorem of Algebra