Neighborhood Zagreb Calculator

second-order Zagreb index

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About Neighborhood Zagreb Calculator

A neighborhood first Zagreb calculator computing NM₁(G) = Σ S(v)² where S(v) = Σ_{u∈N(v)} d(u). Mondal-De-Pal (2019). Second-order Zagreb: uses neighbor-degree sums instead of degrees. More discriminating than classical Zagreb. Client-side.

Neighborhood Zagreb Calculator Features

  • NM₁(G)
  • ΣS(v)²
  • 2nd-order
  • Mondal '19
  • Common graphs

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