figure on the right is torus link (72,4) . Unknot, 31 knot (3,2), 51 knot (5,2), 71 knot (7,2), 819 knot (4,3), 91 knot (9,2), 10124 knot (5,3) g-torus knot A g-torus knot is a closed curve drawn on a g-torus. More technically, it is the homeomorphic image of a circle in S³ which can be realized as a subset of a genus g handlebody in S³ (whose complement is also a genus g handlebody). If a link is a subset of a genus two handlebody, it is a double torus link. For genus two, the simplest example of a double torus knot that is not a torus knot is the figure-eight knot. Notes See also Alternating knot Satellite knot Hyperbolic knot Irrational winding of a torus Topopolis References External links Torus knot renderer in Actionscript Fun with the PQ-Torus Knot Algebraic topology Fibered knots and links