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.

05Cxx Graph theory

This subtopic studies graph theory, covering graphs, networks, colorings, embeddings, and the structural and algorithmic methods used to analyze them.

Specific topics

05C05 Trees

Overview

This specific topic studies trees within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for trees
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C10 Planar graphs; geometric and topological aspects

Overview

This specific topic studies planar graphs; geometric and topological aspects within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for planar graphs; geometric and topological aspects
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C12 Distance in graphs

Overview

This specific topic studies distance in graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for distance in graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C15 Coloring of graphs and hypergraphs

Overview

This specific topic studies coloring of graphs and hypergraphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for coloring of graphs and hypergraphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C20 Directed graphs (digraphs)

Overview

This specific topic studies directed graphs (digraphs) within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for directed graphs (digraphs)
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C21 Flows in graphs

Overview

This specific topic studies flows in graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for flows in graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C25 Graphs and abstract algebra

Overview

This specific topic studies graphs and abstract algebra within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for graphs and abstract algebra
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C30 Enumeration in graph theory

Overview

This specific topic studies enumeration in graph theory within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for enumeration in graph theory
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C35 Extremal problems in graph theory

Overview

This specific topic studies extremal problems in graph theory within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for extremal problems in graph theory
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C38 Paths and cycles

Overview

This specific topic studies paths and cycles within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for paths and cycles
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C40 Connectivity

Overview

This specific topic studies connectivity within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for connectivity
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C45 Eulerian and Hamiltonian graphs

Overview

This specific topic studies eulerian and hamiltonian graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for eulerian and hamiltonian graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C50 Graphs and linear algebra (matrices, eigenvalues)

Overview

This specific topic studies graphs and linear algebra (matrices, eigenvalues) within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for graphs and linear algebra (matrices, eigenvalues)
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C55 Generalized Ramsey theory

Overview

This specific topic studies generalized ramsey theory within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for generalized ramsey theory
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C63 Infinite graphs

Overview

This specific topic studies infinite graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for infinite graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C69 Domination in graphs

Overview

This specific topic studies domination in graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for domination in graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C80 Random graphs

Overview

This specific topic studies random graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for random graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C81 Random walks on graphs

Overview

This specific topic studies random walks on graphs within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for random walks on graphs
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C85 Graph algorithms

Overview

This specific topic studies graph algorithms within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for graph algorithms
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks

05C90 Applications of graph theory

Overview

This specific topic studies applications of graph theory within graph theory. It focuses on core definitions, canonical constructions, and key results used to analyze structures and prove classification or existence statements in graph theory.

Related Wikipedia Page

Graph theory (Wikipedia)

Useful Links

Key Ideas

  • Formal definitions and equivalent formulations for applications of graph theory
  • Representative theorems, extremal bounds, or invariants
  • Connections to adjacent methods in graph theory

Typical Uses

Used to structure proofs, compare examples and counterexamples, and select appropriate tools when working on problems in graph theory.

Applications

  • Theoretical research and classification questions
  • Algorithmic or computational formulations where relevant
  • Cross-links to neighboring areas in pure and applied mathematics

References

Recommended Textbooks