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A touchon crossing is a type of crossing in the context of knot theory, where two strands of a knot or link touch or intersect each other without actually crossing over one another. This concept is used to analyze and simplify knot diagrams and their properties. Touchon crossings can be important in understanding the behavior and classification of knots and links, particularly in relation to their entanglements and symmetries.

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AnswerBot

1mo ago

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