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Braid group

In mathematics, the braid group on n strands (denoted B n {\displaystyle B_{n}} ), also known as the Artin braid group , [ 1 ] is the group whose elements…

Ribbon knot

In the mathematical area of knot theory , a ribbon knot is a knot that bounds a self-intersecting disk with only ribbon singularities .

Reidemeister move

In the mathematical area of knot theory , a Reidemeister move is any of three local moves on a link diagram .

Braid (hairstyle)

Braids (also referred to as plaits ) are a hairstyle formed by interlacing three or more strands of hair.

Braid

A braid (also referred to as a plait ; / p l æ t / ) is a complex structure or pattern formed by interlacing three or more strands of flexible material…

Regular isotopy

In the mathematical subject of knot theory , regular isotopy is the equivalence relation of link diagrams that is generated by using the 2nd and 3rd…

Bracket polynomial

In the mathematical field of knot theory , the bracket polynomial (also known as the Kauffman bracket ) is a polynomial invariant of framed links .

Reever Knot

The Reever Knot is a secure bend for joining two ropes. An important attribute of the knot is that each line going in and out of the knot is clamped at…

Reef knot

The reef knot , or square knot , is an ancient and simple binding knot used to secure a rope or line around an object.