On quasitriangular quasi-Hopf algebras and a group closely connected with \(\text{Gal}(\overline{\mathbb Q}/\mathbb Q)\). (English. Russian original) Zbl 0728.16021

Drinfel’d, V. G.

Leningr. Math. J. 2, No. 4, 829-860 (1991).

Translation from Algebra Anal. 2, No. 4, 149–181 (1990; Zbl 0718.16034).

MSC:

16T05	Hopf algebras and their applications
16T20	Ring-theoretic aspects of quantum groups
17B37	Quantum groups (quantized enveloping algebras) and related deformations

Keywords:

quasi-Hopf algebras; coassociativity; comultiplication; quasi-triangular algebra; counit; invertible elements; quasi-triangular quasi-Hopf algebras; deformation; universal enveloping algebras; h-adic completion; twisting; standard algebra

Citations:

Zbl 0718.16033; Zbl 0667.16003; Zbl 0718.16034