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Definition of Crossing number
1. Noun. (mathematics) The minimum, taken over all planar representations of a link or graph, of the number of times it crosses itself. ¹
¹ Source: wiktionary.com
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1. Noun. (mathematics) The minimum, taken over all planar representations of a link or graph, of the number of times it crosses itself. ¹
¹ Source: wiktionary.com