Second Hyper Zagreb Calculator

squared degree-product sum

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About Second Hyper Zagreb Calculator

A second hyper-Zagreb calculator computing HM₂(G) = Σ (dᵢ·dⱼ)² over edges. Shirdel-Rezapour-Sayadi (2013). Squared products: amplifies hub-hub connections. HM₂ vs HM₁: product² vs sum². For regular d-graphs: HM₂ = m·d⁴. Client-side.

Second Hyper Zagreb Calculator Features

  • HM₂(G)
  • Σ(dd)²
  • Quartic
  • Shirdel '13
  • Common graphs

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