Group Actions and Galois Theory
Table of Contents
Pre-Requisites
Make sure to know all of the material from Abstract Algebra course from Year 2.
Topics covered
Group Actions
- Group Actions
- Orbits and Stabilizers
- Counting Orbits and Burnside Theorem
- Sylow Theorems
- Conjugacy
- Counting Orbits using Conjugacy Classes
- Subgroup Lattices
Galois Theory
- Recap of Rings and Polynomial Rings (Irreducibility of Polynomials)
- Fields and Field Extensions
- Quotients of Rings
- Field Construction
- Constructibility I
- Vector Spaces and Degrees
- Constructibility II
- Splitting Fields
- Very Brief Groups Recap
- Galois Groups
- Not Solving Equations (i.e. Galois Theorem)
TODO
- Add a section on solubility
- Maybe add a chapter on simple groups
- Maybe add a section on homomorphisms on groups recap section although it is already covered in Year 2 notes