Drinfeld associators

E884936

Drinfeld associators are algebraic structures arising in the study of quantum groups and braided monoidal categories that encode solutions to the Knizhnik–Zamolodchikov equations and play a central role in deformation theory and low-dimensional topology.

All labels observed (3)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf algebraic structure ⓘ
associator ⓘ
object in braided monoidal category theory ⓘ
structure in quantum group theory ⓘ
actOn completed free Lie algebra on two generators ⓘ
appearIn Drinfeld’s work on quasi-Hopf algebras and KZ equations ⓘ
ariseIn braided monoidal categories ⓘ
quantum groups ⓘ
classifiedBy Grothendieck–Teichmüller group (up to gauge equivalence) ⓘ
context monoidal categories with non-strict associativity ⓘ
definedOver fields of characteristic zero ⓘ
encode coherence data for associativity in braided monoidal categories ⓘ
solutions to the Knizhnik–Zamolodchikov equations ⓘ
formalObjectType group-like element in the completed universal enveloping algebra of a free Lie algebra ⓘ
haveProperty non-uniqueness; form a torsor under the Grothendieck–Teichmüller group ⓘ
haveVariant Drinfeld associator over Q ⓘ
p-adic Drinfeld associator ⓘ
rational Drinfeld associator ⓘ
introducedBy Vladimir Drinfeld ⓘ
introducedInContextOf quasi-triangular quasi-Hopf algebras ⓘ
invariantUnder gauge transformations up to equivalence ⓘ
liveIn completed tensor algebra on two non-commuting variables ⓘ
namedAfter Vladimir Drinfeld ⓘ
oftenConsideredOver the field of complex numbers ⓘ
playRoleIn Grothendieck–Teichmüller theory ⓘ
deformation theory ⓘ
finite-type (Vassiliev) invariants ⓘ
knot invariants ⓘ
low-dimensional topology ⓘ
theory of quasi-Hopf algebras ⓘ
relatedTo Grothendieck’s program on the fundamental group of P1 minus three points ⓘ
Knizhnik–Zamolodchikov connection ⓘ
formality of the little disks operad ⓘ
monodromy of the KZ equations ⓘ
multiple zeta values (for specific associators) ⓘ
satisfy group-like condition in a completed tensor algebra ⓘ
hexagon equations ⓘ
normalization conditions (e.g., trivial constant term) ⓘ
pentagon equation ⓘ
usedIn construction of quantum invariants of 3-manifolds ⓘ
deformation quantization ⓘ
theory of braided tensor categories ⓘ
usedToConstruct braidings in tensor categories ⓘ
quasi-Hopf algebra structures ⓘ
universal Vassiliev knot invariant ⓘ
usedToDefine Drinfeld associator invariants of links ⓘ
Grothendieck–Teichmüller group ⓘ
usedToRelate braid groups and quantum groups ⓘ
knot theory and perturbative quantum field theory ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Vladimir Drinfeld → knownFor → Drinfeld associators ⓘ
Drinfeld associators → haveVariant → p-adic Drinfeld associator ⓘ
linked to: Drinfeld associators
Drinfeld associators → haveVariant → Drinfeld associator over Q ⓘ
linked to: Drinfeld associators