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Math Notes

  • Algebraic Geometry
  • Algebra
    • Group Theory
    • Ring Theory
    • Galois Theory
    • Commutative Algebra
    • Miscellaneous
    • Qualifying Exam Preparation
  • Linear Algebra
  • Number Theory
  • Probability

Algebra

Group Theory

Ring Theory

  • Irreducible, Prime and Associate
  • Factorization in Noetherian Domains
  • Hilbert Basis Theorem
  • Greatest Common Divisors in UFDs
  • Gauss’s Lemma

Galois Theory

  • Algebraic Elements
  • Field Extensions
  • Algebraic Closure
  • Finite Fields
  • Field Automorphisms
  • Splitting Fields
  • Isomorphism Extension Theorem
  • Normal Extensions
  • Separable Polynomials
  • Separable Extensions and Perfect Fields
  • Galois Extensions
  • Galois Correspondence Theorem
  • Galois Group of Finite Fields
  • Cyclotomic Polynomials
  • Cyclotomic Extensions
  • Kummer’s Theory
  • Solvability by Radicals

Commutative Algebra

Miscellaneous

  • Zorn’s Lemma

Qualifying Exam Preparation

  • Group Actions
  • Sylow’s Theorems
  • Semi-direct Product
  • Modules
  • Localization of Modules
  • Modules over PID
  • Rational Canonical Form and Jordan Form