Crossing Number Calculator

min edge crossings cr(G)

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About Crossing Number Calculator

A crossing number calculator computing cr(G): minimum edge crossings in any planar drawing. cr(G)=0 iff planar. cr(K_n)≈n⁴/64 (Guy's conjecture). cr(K_{m,n})≈(m²-m)(n²-n)/16 (Zarankiewicz). NP-hard in general. Client-side.

Crossing Number Calculator Features

  • cr(G) value
  • Planar check
  • Guy conjecture
  • Zarankiewicz
  • Common graphs

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