Back Kreuzungszahl (Knotentheorie) German 交点数 (結び目理論) Japanese Kruisingsgetal Dutch Número de cruzamentos (teoria dos nós) Portuguese Число пересечений (теория узлов) Russian Число перетинів (теорія вузлів) Ukrainian
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In the mathematical area of knot theory, the crossing number of a knot is the smallest number of crossings of any diagram of the knot. It is a knot invariant.
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