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.

28Axx Classical measure theory

This subtopic studies classical measure theory, focusing on measurable sets, measures, integration, and foundational results such as convergence theorems.

Specific topics

28A05 Classes of sets (Borel fields, etc.), measurable sets

Overview

28A05 studies classes of sets (borel fields, etc.), measurable sets in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for classes of sets (borel fields, etc.), measurable sets
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A10 Real- or complex-valued set functions

Overview

28A10 studies real- or complex-valued set functions in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for real- or complex-valued set 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 build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A12 Contents, measures, outer measures, capacities

Overview

28A12 studies contents, measures, outer measures, capacities in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A15 Abstract differentiation theory, differentiation of set functions

Overview

28A15 studies abstract differentiation theory, differentiation of set functions in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for abstract differentiation theory, differentiation of set 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 build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A20 Measurable and nonmeasurable functions, sequences of measurable functions

Overview

28A20 studies measurable and nonmeasurable functions, sequences of measurable functions in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for measurable and nonmeasurable functions, sequences of measurable 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 build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A25 Integration theory

Overview

28A25 studies integration theory in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A33 Spaces of measures, convergence of measures

Overview

28A33 studies spaces of measures, convergence of measures in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A35 Measures and integrals in product spaces

Overview

28A35 studies measures and integrals in product spaces in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A50 Integration and disintegration of measures

Overview

28A50 studies integration and disintegration of measures in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A51 Lifting theory

Overview

28A51 studies lifting theory in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A60 Measures on Boolean rings, measure algebras

Overview

28A60 studies measures on boolean rings, measure algebras in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for measures on boolean rings, measure 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 build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A75 Length, area, volume, other geometric measure theory

Overview

28A75 studies length, area, volume, other geometric measure theory in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

  • Canonical formulations and representative examples for length, area, volume, other geometric measure theory
  • How structural, local, and computational viewpoints interact in the subject
  • Standard theorem patterns and invariants used in current research practice

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A78 Hausdorff and packing measures

Overview

28A78 studies hausdorff and packing measures in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks

28A80 Fractals

Overview

28A80 studies fractals in classical measure theory. It studies sigma-algebras, measures, integration, and convergence theorems in the classical Lebesgue framework.

Related Wikipedia Page

Classical Measure Theory (Wikipedia)

Useful Links

Key Ideas

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

Typical Uses

Used to build integration theory and probabilistic foundations in analysis.

Applications

  • Lebesgue integration
  • Probability foundations
  • Limit and convergence theorems

References

Recommended Textbooks