Knot theory
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In topology, knot theory is the study of mathematical knots. While inspired by knots which appear in daily life, such as those in shoelaces and rope, a mathematical knot differs in that the ends are j
Examples of different knots including the unknot (top left) and the trefoil knot (below it)
Intricate Celtic knotwork in the 1200-year-old Book of Kells
The first knot tabulator, Peter Guthrie Tait
A 3D print depicting the complement of the figure eight knot by François Guéritaud, Saul Schleimer, and Henry Segerman
Knot
Videos
A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a hitch f
Knot theory
…In topology, knot theory is the study of mathematical knots. While inspired by knots which appear in daily life, such as those in shoelaces and rope, a mathematical knot differs in that the ends are joined so it cannot be undone, the…
![Knot board [es] on Elbe 1 (ship, 1965)](https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Knopar_-_2017.jpg/500px-Knopar_-_2017.jpg)
Knot board [es] on Elbe 1 (ship, 1965)
An example of a quipu from the Inca Empire, currently in the Larco Museum Collection.
Alexander Cuts the Gordian Knot, by Jean-Simon Berthélemy (1743–1812)
Gordian Knot statue (1990)