English

Twisting Hopf algebras from cocycle deformations

Quantum Algebra 2016-06-14 v2

Abstract

Let HH be a Hopf algebra. Any finite-dimensional lifting of VHHYDV\in {}^{H}_{H}\mathcal{YD} arising as a cocycle deformation of A=B(V)#HA=\mathfrak{B}(V)\#H defines a twist in the Hopf algebra AA^*, via dualization. We follow this recipe to write down explicit examples and show that it extends known techniques for defining twists. We also contribute with a detailed survey about twists in braided categories.

Keywords

Cite

@article{arxiv.1512.01696,
  title  = {Twisting Hopf algebras from cocycle deformations},
  author = {Nicolás Andruskiewitsch and Agustín García Iglesias},
  journal= {arXiv preprint arXiv:1512.01696},
  year   = {2016}
}

Comments

20 pages

R2 v1 2026-06-22T12:02:19.247Z