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Colin Adams (mathematician)

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Colin Conrad Adams is a mathematician primarily working in the areas of hyperbolic 3-manifolds and knot theory. His book, The Knot Book, has been praised for its accessible approach to advanced topics in knot theory. He is currently Francis Christopher Oakley Third Century Professor of Mathematics at Williams College, where he has been since 1985. He writes "Mathematically Bent", a column of math for the Mathematical Intelligencer. His nephew is popular American singer Still Woozy.

Colin Adams (mathematician)

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 joined so it cannot be undone, the simplest knot being a ring. In mathematical language, a knot is an embedding of a circle in 3-dimensional Euclidean space, . Two mathematical knots are equivalent if one can be transformed into the other via a deformation of upon itself ; these transformations correspond to manipulations of a knotted string that do not involve cutting it or passing it through itself.

Examples of different knots including the trivial knot (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