standard knot
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standard knot — noun : a lumber knot that is sound and not over 1 1/2 inches in diameter … Useful english dictionary
Knot theory — A three dimensional depiction of a thickened trefoil knot, the simplest non trivial knot … Wikipedia
Knot (mathematics) — A table of all prime knots with seven crossings or fewer (not including mirror images). In mathematics, a knot is an embedding of a circle in 3 dimensional Euclidean space, R3, considered up to continuous deformations (isotopies). A crucial… … Wikipedia
knot theory — ▪ mathematics in mathematics, the study of closed curves in three dimensions, and their possible deformations without one part cutting through another. Knots may be regarded as formed by interlacing and looping a piece of string in any… … Universalium
Knot (unit) — For other uses, see Knot (disambiguation). The knot (pronounced not) is a unit of speed equal to one nautical mile (which is defined as 1.852 km) per hour, approximately 1.151 mph.[1] The abbreviation kn is preferred by the… … Wikipedia
knot — Ⅰ. knot1 (nŏt) n. 1. a) A compact intersection of interlaced material, such as cord, ribbon, or rope. b) A fastening made by tying together lengths of material, such as rope, in a prescribed way. 2. A decorative bow of ribbon, fabric, or braid. 3 … Word Histories
List of knot theory topics — Knot theory is the study of mathematical knots. While inspired by knots which appear in daily life in shoelaces and rope, a mathematician s knot differs in that the ends are joined together so that it cannot be undone. In precise mathematical… … Wikipedia
Satellite knot — In the mathematical theory of knots, a satellite knot is a knot which contains an incompressible, non boundary parallel torus in its complement [Colin Adams, The Knot Book: An Elementary Introduction to the Mathematical Theory of Knots , (2001),… … Wikipedia
Crossing number (knot theory) — In the mathematical area of knot theory, the crossing number of a knot is the minimal number of crossings of any diagram of the knot. It is a knot invariant. By way of example, the unknot has crossing number zero, the trefoil knot three and the… … Wikipedia
Framed knot — In the mathematical theory of knots, a framed knot is the extension of a tame knot to an embedding of the solid torus D 2 times; S 1 in S 3.The framing of the knot is the linking number of the image of the ribbon I times; S 1 with the knot. As… … Wikipedia
Legendrian knot — In mathematics, a Legendrian knot often refers to a smooth embedding of the circle into mathbb R^3, which is tangent to the standard contact structure on mathbb R^3. More generally, Legendrian knots refer to such maps into a contact manifold. ee… … Wikipedia
