Lanzhou Index Calculator

degree squared times deficiency

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About Lanzhou Index Calculator

A Lanzhou index calculator computing Lz(G) = Σ d(v)² · (n-1-d(v)). Vukičević-Li-Sedlar-Došlić (2018). Named after Lanzhou University. Combines Zagreb M₁ with complement degree. Lz captures how far each vertex is from being 'universal' (d=n-1). Client-side.

Lanzhou Index Calculator Features

  • Lz(G)
  • d²·(n-1-d)
  • Deficiency
  • Vukičević '18
  • Common graphs

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