Reidemeister move

English

Etymology

Demonstrated by Reidemeister (1927).

Noun

Reidemeister move (plural Reidemeister moves)

  1. (mathematics, knot theory) Any of three local moves on a link diagram: (i) twist and untwist in either direction; (ii) move one loop completely over another; (iii) move a string completely over or under a crossing.
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