Notes on Math 541: Modern Algebra @ University of Wisconsin-Madison
Your comments and criticism are greatly welcomed.
Course Website
Textbook
Abstract Algebra, by Dummit and Foote, Third Edition, 2004
Lecture Notes
Week 1 | |
---|---|
1/24 | Divides, Equivalence Relations |
1/26 | Well-ordering of Z |
Week 2 | |
1/29 | Division Algorithm, gcd |
1/31 | Euclidean Algorithm |
2/2 | Equivalence Class, Z/nZ, Group |
Week 3 | |
2/5 | Group, Well-definedness, Z/nZ |
2/7 | (Z/nZ)*, Properties of Group |
2/9 | Order, Symmetric Group |
Week 4 | |
2/12 | Symmetric Group, Cycle |
2/14 | Homomorphism, Isomorphism |
2/16 | Order, Homomorphism, Subgroup |
Week 5 | |
2/19 | Dihedral Groups, Subgroup |
2/21 | Cyclic Group, lcm, Order of g^a |
2/23 | Cyclic Subgroup, Generating Set of a Group |
Week 6 | |
2/26 | Finitely Generated Group |
2/28 | Coset, Normal Subgroup |
3/2 | Exam 1 |
Week 7 | |
3/5 | Quotient Group, Index, Lagrange’s Theorem |
3/7 | Corollaries of Lagrange’s Theorem |
3/9 | The First & Second Isomorphism Theorems |
Week 8 | |
3/12 | The Third Isomorphism Theorem |
3/14 | Transposition, Sign of Permutation |
3/16 | Homework 6, The Correspondence Theorem |
Week 9 | |
3/19 | Sign of Permutation, Alternating Group |
3/21 | Subgroups of A_4, Group Action, Orbit, Stabilizer |
3/23 | Orbit, Stabilizer, Cayley’s Theorem |
Week 10 | |
4/2 | Conjugacy Class, The Class Equation |
4/4 | Cauchy’s Theorem, Recognizing Direct Products |
4/6 | Homework 8, Properties of Finite Abelian Group |
Week 11 | |
4/9 | Fundamental Theorem of Finite Abelian Groups |
4/11 | Definition of Ring |
4/13 | Exam 2 |
Week 12 | |
4/16 | Properties of Ring, Zero-Divisor, Unit |
4/18 | Field, Product Ring, Integral Domain |
4/20 | Product Ring, Finite Domain and Field, Subring |
Week 13 | |
4/23 | Polynomial Ring, Ideal, Principal Ideal |
4/25 | Examples of Ideals, Quotient Ring |
4/27 | Isomorphism Theorems for Rings |
Week 14 | |
4/30 | Generating Ideal, Maximal Ideal, Prime Ideal |
5/2 | Prime Ideal, Euclidean Domain |
5/4 | Review, Galois Theory |