Hopf link

Braid length2
Braid no.2
Crossing no.2
Hyperbolic volume0
Linking no.1
Stick no.6
Unknotting no.1
Conway notation[2]
A–B notation22
1
ThistlethwaiteL2a1
Last / NextL0 / L4a1
Other
alternating, torus, fibered
Skein relation for the Hopf link.

In mathematical knot theory, the Hopf link is the simplest nontrivial link with more than one component.[1] It consists of two circles linked together exactly once,[2] and is named after Heinz Hopf.[3]

  1. ^ Adams, Colin Conrad (2004), The Knot Book: An Elementary Introduction to the Mathematical Theory of Knots, American Mathematical Society, p. 151, ISBN 9780821836781.
  2. ^ Cite error: The named reference ks98 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference ps97 was invoked but never defined (see the help page).