Modified First Zagreb Calculator

inverse-square degree sum

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About Modified First Zagreb Calculator

A modified first Zagreb calculator computing mM₁(G) = Σ 1/d(v)² over all vertices. Nikolić-Kovačević-Miličević-Trinajstić (2003). Inverse-square version of M₁. Emphasizes low-degree vertices. mM₁ ≥ n/Δ² where Δ = max degree. Client-side.

Modified First Zagreb Calculator Features

  • mM₁(G)
  • Σ1/d²
  • Low-degree
  • Nikolić '03
  • Common graphs

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