What are you going to learn?

  • Define a group, give examples of groups, list properties that hold in every group and state definitions of particular features of groups
  • Define a ring, give examples of rings, list properties that hold in every ring and state definitions of particular features of rings
  • Define a field, give examples of fields, list properties that hold in every field and state definitions of particular features of fields
  • Prove statements about these mathematical structures

Content

Chapter 1. Introduction

  • Logic, Sets, Operations
  • Equivalence Relations
  • Equivalence Classes
  • Permutations Groups
  • Subgroups
  • Groups and Symmetry

Chapter 2. Groups 1

  • Definition. Examples
  • Permutations
  • Subgroups
  • Groups and Symmetry

Chapter 3. Groups 2

  • Properties
  • Generators. Direct Groups
  • Cosets
  • Lagranges’s Theorem. Cyclic Groups
  • Isomorphisms
  • Cayle’s Theorem

Chapter 4. Groups Homomorphisms

  • Homomorphisms and Kernels
  • Quotient Groups
  • The Fundamental Homomorphism Theorem

Chapter 5. Introduction to Rings

  • Definition and Examples
  • Integral Domains, Division Rings
  • Fields
  • Isomorphisms. Characteristics

Chapter 6. Numbers Systems

  • Ordered Integral Domains
  • Integers
  • Field of Quotients. Field of Rationals
  • Ordered Fields. The Field of Reals
  • The Field of Complex Numbers
  • Complex Roots of Unity

Chapter 7. Polynomials

  • Definitions and Elementary properties
  • The Division Algorithm
  • Factorization of Polynomials
  • Unique Factorization Domains

Chapter 8. Quotient Rings

  • Homomorphisms of Rings. Ideals
  • Quotient Rings
  • Factorization and Ideals

Chapter 9. Galois Theory

  • Simple Extensions. Degree
  • Roots of Polynomials
  • Fundamental Theorem
  • Algebraic Extensions
  • Splitting Fields. Galois Groups
  • Separability and Normality
  • Fundamental Theorem of Galois Theory
  • Solvability by Radicals
  • Finite Fields

Bibliography

  • Durbin, J.R.A Modern Algebra: An Introduction. 6th Ed. John Wiley and Sons, 2009.
  • Rotman, J.J. A First Course in Abstract Algebra. 7th Ed. Prentice Hall

Bibliography