Interval Graph Checker

interval intersection model

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About Interval Graph Checker

An interval graph checker testing if G is the intersection graph of intervals on ℝ. Equivalent: chordal + AT-free (no asteroidal triple). O(n+m) recognition via PQ-trees or LBFS. Perfect: χ=ω. Applications in scheduling, bioinformatics. Client-side.

Interval Graph Checker Features

  • Interval test
  • PQ-tree
  • χ = ω
  • O(n+m)
  • Scheduling

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