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Crossing number (knot theory)
? TBD
Integer-valued knot invariant; least number of crossings in a knot diagram
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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.

Instance of
Knot invariant
Subclass of
non-negative integer
Crossing number (graph theory)
Different from
Kreuzungszahl
Crossing number
Wikidata