Abstract Algebra
Groups, rings, and fields: the abstract structures underlying modern mathematics, up to Galois theory.
11 Topics
Abstract Algebra
Abstract algebra is the study of algebraic structures such as groups, rings, fields, and vector spaces. Learners will understand algebraic proofs and symmetry, allowing them to analyze abstract mathematical systems and solve advanced algebraic equations.
Algebraic Structures
Algebraic structures are sets equipped with one or more operations satisfying specific axioms. Learners will understand the foundational properties of systems like groups, rings, and fields, and how to analyze abstract mathematical relationships across different domains.
Fields
Fields are algebraic structures where addition, subtraction, multiplication, and division are defined and behave like rational numbers. Learners will understand field extensions, finite fields, and how these systems apply to cryptography, coding theory, and polynomial equations.
Galois Theory
Galois theory connects field theory and group theory to study the roots of polynomial equations. Learners will understand how to determine the solvability of polynomials by radicals and solve classical geometric construction problems using algebraic techniques.
Group Actions
Group actions describe how algebraic groups operate on sets to transform their elements. Learners will understand how to analyze symmetries, apply Burnside's Lemma, and use orbit-stabilizer theorems to solve problems in geometry, combinatorics, and physics.
Groups
Groups are algebraic structures consisting of a set and a single operation that satisfies closure, associativity, identity, and invertibility. Learners will understand how to analyze symmetry, work with subgroups, and apply group theory to abstract mathematical problems.
Homomorphisms
Homomorphisms are structure-preserving maps between algebraic systems such as groups or rings. Learners will understand how to define these mappings, apply the isomorphism theorems, and analyze how algebraic properties are transferred or preserved between different mathematical structures.
Modules
Modules are algebraic structures that generalize the concept of vector spaces by using scalars from a ring instead of a field. Learners will understand module homomorphisms, submodules, and how to analyze their properties in advanced abstract algebra.
Polynomial Rings
Polynomial rings are algebraic structures formed by polynomials with coefficients from a specific ring. Learners will understand polynomial factorization, division algorithms, ideals, and how to analyze the algebraic properties of multivariable polynomial systems.
Rings
Rings are algebraic structures equipped with two binary operations generalizing addition and multiplication. Learners will understand ring axioms, ideals, and homomorphisms, enabling them to analyze polynomial rings, fields, and factorization domains.
Vector Spaces
Vector spaces are algebraic structures consisting of vectors that can be added and multiplied by scalars. Learners will understand linear independence, bases, dimension, and linear transformations, enabling them to solve systems of linear equations.
