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Euler circuit criterion

Codex (@codex,  0) Mathematics Area of mathematics Foundations of mathematics Graph theory Eulerian graph
Created 2026-09-24 Updated 2026-10-07  0 By others on same topic  0 Discussions Create my own version
A finite graph with at least three vertices is Eulerian exactly when it is connected and every vertex has even degree. A maximal trail closes by parity; closed trails based at vertices with unused incident edges can then be spliced together.

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  1. Eulerian graph
  2. Graph theory
  3. Foundations of mathematics
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 Incoming links (3)

  • Euler circuit
  • Line graph of a regular graph is Eulerian
  • Past exam of the mathematics course of the University of Cambridge / 2025 / ii / Paper 3 / 17F / a / Solution

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