Mathematics Branches, Topics, and Sub-Topics

A structured visual guide to the major mathematical areas and their relationships.

Search by code, branch, topic, subtopic, or a keyword from the descriptions.

15Axx Linear and multilinear algebra

This subtopic studies linear and multilinear algebra, covering vector spaces, tensors, linear maps, and the structural principles that govern these systems.

Specific topics

15A03 Vector spaces, linear dependence, rank, lineability

Overview

15A03 studies vector spaces, linear dependence, rank, lineability in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Vector spaces, linear dependence, rank, lineability (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for vector spaces, linear dependence, rank, lineability
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A04 Linear transformations, semilinear transformations

Overview

15A04 studies linear transformations, semilinear transformations in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Linear transformations, semilinear transformations (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for linear transformations, semilinear transformations
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A06 Linear equations

Overview

15A06 studies linear equations in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Linear equations (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for linear equations
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A09 Theory of matrix inversion and generalized inverses

Overview

15A09 studies theory of matrix inversion and generalized inverses in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Theory of matrix inversion and generalized inverses (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for theory of matrix inversion and generalized inverses
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A12 Conditioning of matrices

Overview

15A12 studies conditioning of matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Conditioning of matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for conditioning of matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A15 Determinants, permanents, traces, other special matrix functions

Overview

15A15 studies determinants, permanents, traces, other special matrix functions in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Determinants, permanents, traces, other special matrix functions (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for determinants, permanents, traces, other special matrix functions
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A16 Matrix exponential and related functions of matrices

Overview

15A16 studies matrix exponential and related functions of matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Matrix exponential and related functions of matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for matrix exponential and related functions of matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A18 Eigenvalues, singular values, and eigenvectors

Overview

15A18 studies eigenvalues, singular values, and eigenvectors in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Eigenvalues, singular values, and eigenvectors (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for eigenvalues, singular values, and eigenvectors
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A21 Canonical forms, reductions, classification

Overview

15A21 studies canonical forms, reductions, classification in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Canonical forms, reductions, classification (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for canonical forms, reductions, classification
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A22 Matrix pencils

Overview

15A22 studies matrix pencils in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Matrix pencils (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for matrix pencils
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A23 Factorization of matrices

Overview

15A23 studies factorization of matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Factorization of matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for factorization of matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A24 Matrix equations and identities

Overview

15A24 studies matrix equations and identities in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Matrix equations and identities (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for matrix equations and identities
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A27 Commutativity of matrices

Overview

15A27 studies commutativity of matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Commutativity of matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for commutativity of matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A29 Inverse problems in linear algebra

Overview

15A29 studies inverse problems in linear algebra in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Inverse problems in linear algebra (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for inverse problems in linear algebra
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A39 Linear inequalities of matrices

Overview

15A39 studies linear inequalities of matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Linear inequalities of matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for linear inequalities of matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A42 Inequalities involving eigenvalues and eigenvectors

Overview

15A42 studies inequalities involving eigenvalues and eigenvectors in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Inequalities involving eigenvalues and eigenvectors (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for inequalities involving eigenvalues and eigenvectors
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A45 Miscellaneous inequalities involving matrices

Overview

15A45 studies miscellaneous inequalities involving matrices in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Miscellaneous inequalities involving matrices (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for miscellaneous inequalities involving matrices
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A54 Matrices over function rings

Overview

15A54 studies matrices over function rings in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Matrices over function rings (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for matrices over function rings
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A60 Norms of matrices, numerical range, applications of functional analysis

Overview

15A60 studies norms of matrices, numerical range, applications of functional analysis in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Norms of matrices, numerical range, applications of functional analysis (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for norms of matrices, numerical range, applications of functional analysis
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A63 Quadratic and bilinear forms, inner products

Overview

15A63 studies quadratic and bilinear forms, inner products in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Quadratic and bilinear forms, inner products (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for quadratic and bilinear forms, inner products
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A66 Clifford algebras, spinors

Overview

15A66 studies clifford algebras, spinors in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Clifford algebras, spinors (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for clifford algebras, spinors
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A69 Multilinear algebra, tensor calculus

Overview

15A69 studies multilinear algebra, tensor calculus in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Multilinear algebra, tensor calculus (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for multilinear algebra, tensor calculus
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A72 Vector and tensor algebra, theory of invariants

Overview

15A72 studies vector and tensor algebra, theory of invariants in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Vector and tensor algebra, theory of invariants (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for vector and tensor algebra, theory of invariants
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A75 Exterior algebra, Grassmann algebras

Overview

15A75 studies exterior algebra, grassmann algebras in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Exterior algebra, Grassmann algebras (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for exterior algebra, grassmann algebras
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A78 Other algebras built from modules

Overview

15A78 studies other algebras built from modules in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Other algebras built from modules (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for other algebras built from modules
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A80 Max-plus and related algebras

Overview

15A80 studies max-plus and related algebras in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Max-plus and related algebras (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for max-plus and related algebras
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A83 Matrix completion problems

Overview

15A83 studies matrix completion problems in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Matrix completion problems (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for matrix completion problems
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks

15A86 Linear preserver problems

Overview

15A86 studies linear preserver problems in linear and multilinear algebra. It covers the structural and computational theory of linear maps, matrices, tensors, and multilinear constructions used throughout mathematics and its applications.

Related Wikipedia Page

Linear preserver problems (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for linear preserver problems
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to organize definitions, compare equivalent formulations, and support proof-driven or computational work in algebra and algebraic geometry.

Applications

  • Linear algebra foundations and matrix analysis
  • Tensor, invariant, and multilinear methods
  • Applications in optimization, data science, and operator theory

References

Recommended Textbooks