Homotopy

tomcircle's avatarMath Online Tom Circle

NJ Wildberger AlgTop24: The fundamental group

Homotopy 同伦: When playing skip rope, the 2 ends of the rope are held by 2 persons while a 3rd person jumping over the “swings of rope” – these swings at any instant arehomotopic.

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Author: tomcircle

Math amateur

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