Collatz Sinogowitz Index Calculator

spectral irregularity measure

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About Collatz Sinogowitz Index Calculator

A Collatz-Sinogowitz irregularity calculator computing CS(G) = λ₁ - 2m/n where λ₁ is largest adjacency eigenvalue (spectral radius). Collatz-Sinogowitz (1957). Spectral irregularity: CS = 0 iff regular. Oldest irregularity index. Client-side.

Collatz Sinogowitz Index Calculator Features

  • CS(G)
  • λ₁-d̄
  • Spectral
  • CS=0↔reg.
  • Common graphs

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