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The Theory of Knots

A piece of knotted string with its ends joined is a good physical model of an abstract mathematical knot. The theory of knots seeks to analyze the different ways of tracing a knotted curve in space

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Scientific American Magazine Vol 240 Issue 6This article was originally published with the title “The Theory of Knots” in Scientific American Magazine Vol. 240 No. 6 (), p. 110
doi:10.1038/scientificamerican0679-110