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unknot (Definition)

The unknot is the knot with a projection containing no crossings, or equivalently the knot with three vertices. The unknot forms an identity when working with the connected sum of knots; that is, if $ U$ is the unknot, then $ K=K\char93 U$ for any knot $ K$.



"unknot" is owned by basseykay.
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See Also: knot theory

Other names:  trivial knot
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Cross-references: connected sum, identity, vertices, projection, knot
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This is version 3 of unknot, born on 2002-12-19, modified 2002-12-20.
Object id is 3777, canonical name is Unknot.
Accessed 3376 times total.

Classification:
AMS MSC57M25 (Manifolds and cell complexes :: Low-dimensional topology :: Knots and links in $S^3$)

Pending Errata and Addenda
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