Twin-Width Calculator

contraction sequence width

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About Twin-Width Calculator

A twin-width calculator computing tww(G): minimum d such that G has a contraction sequence where each step merges two rows/columns and at most d entries are 'red' (mixed). Bonnet et al. 2021. tww=0 iff cograph. FPT model checking. Client-side.

Twin-Width Calculator Features

  • tww(G)
  • Contractions
  • Cograph=0
  • FPT
  • Common graphs

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