Isoperimetric Number Calculator

vertex expansion ratio

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About Isoperimetric Number Calculator

An isoperimetric number calculator computing i(G) = min over S⊆V, |S|≤n/2 of |∂S|/|S| where ∂S = boundary edges. Measures vertex expansion. Higher i = better expander. Related to Cheeger constant. Key for network design and random walks. Client-side.

Isoperimetric Number Calculator Features

  • i(G)
  • |∂S|/|S|
  • Expansion
  • Expanders
  • Common graphs

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