Binding Number Calculator

neighborhood expansion ratio

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About Binding Number Calculator

A binding number calculator computing bind(G) = min over non-empty S ⊆ V with N(S) ≠ V of |N(S)|/|S|. Woodall (1973). bind ≥ 3/2 → Hamiltonian. bind ≥ 1 → has perfect matching (if n even). Measures neighborhood expansion. Client-side.

Binding Number Calculator Features

  • bind(G)
  • |N(S)|/|S|
  • Ham ≥ 3/2
  • Matching
  • Common graphs
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