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The Knot Atlas is a website, an encyclopedia rather than atlas, dedicated to knot theory. It and its predecessor were created by mathematician Dror Bar-Natan, who maintains the current site with Scott Morrison. According to Schiller, the site contains, "beautiful illustrations and detailed information about knots," as does KnotPlot.com. [1]
The origin of the term arris is from the Latin arista, meaning the beard or the ear of grain or the bone of a fish. See also arête. An arris rail is a structural element, whose cross section is a 45 degree isosceles right angled triangle. Arris rails are usually made of wood, and are manufactured by cutting a length of square-section timber ...
7 1 knot, septafoil knot, (7,2)-torus knot - a prime knot with crossing number seven, which can be arranged as a {7/2} star polygon ; 7 4 knot, "endless knot" 8 18 knot, "carrick mat" 10 161 /10 162, known as the Perko pair; this was a single knot listed twice in Dale Rolfsen's knot table; the duplication was discovered by Kenneth Perko
Arris International Limited (styled as ARRIS) is an American telecommunications equipment company engaged in data, video and telephony systems for homes and businesses. [1] On April 4, 2019, Arris was acquired by network infrastructure provider CommScope .
In knot theory, prime knots are those knots that are indecomposable under the operation of knot sum. The prime knots with ten or fewer crossings are listed here for quick comparison of their properties and varied naming schemes.
The relationship between the Reever Knot and the Vice Versa Bend was first pointed out by Clements In his 2004 article "The Vice Versa Bend and the Reever Knot". [1] His analysis of the symmetry of the two forms of the knot led him to suggest that the Reever Knot, being completely symmetric, is the better version of the knot.
Pretzel link knot – in knot theory, a branch of mathematics, a pretzel link is a special kind of link; Prusik knot – friction hitch or knot used to put a loop of cord around a rope; Portuguese bowline a.k.a. French bowline – variant of the bowline with two loops that are adjustable in size; Portuguese whipping – a type of whipping knot
In knot theory, a knot move or operation is a change or changes which preserve crossing number. [1] Operations are used to investigate whether knots are equivalent, prime or reduced . Knot moves or operations include the flype , Habiro move , Markov moves (I. conjugation and II. stabilization), pass move , Perko move , and Reidemeister moves (I ...