Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:mathematical_concept
knot |
gptkbp:AlexanderPolynomial |
(t^{pq}-1)(t-1)/((t^p-1)(t^q-1))
|
gptkbp:alternating |
false for p,q > 2
|
gptkbp:appearsIn |
gptkb:algebraic_geometry
gptkb:topology knot theory |
gptkbp:bridgeType |
min(p,q)
|
gptkbp:definedIn |
surface of a torus
|
gptkbp:fibered |
true
|
gptkbp:genus |
(p-1)(q-1)/2
|
gptkbp:hasSpecialCase |
unknot if q or p is 1
|
https://www.w3.org/2000/01/rdf-schema#label |
torus knot T(q,p)
|
gptkbp:isKnot |
if and only if q and p are coprime
|
gptkbp:JonesPolynomial |
known formula
|
gptkbp:mirrorImage |
T(p,q) is mirror of T(q,p)
|
gptkbp:par |
number of times the knot passes through the hole of the torus
|
gptkbp:parameter |
integers q and p
|
gptkbp:primeKnot |
true for p,q > 1
|
gptkbp:q |
number of times the knot winds around the axis of the torus
|
gptkbp:symmetry |
cyclic symmetry
|
gptkbp:bfsParent |
gptkb:knot
|
gptkbp:bfsLayer |
5
|