English

Faithful actions of braid groups by twists along ADE-configurations of spherical objects

K-Theory and Homology 2020-11-06 v3 Algebraic Geometry Category Theory Representation Theory

Abstract

We prove that the action of a generalized braid group on an enhanced triangulated categories, generated by spherical twist functors along an ADE-configuration of ω\omega-spherical objects, is faithful for any integer ω1\omega \neq 1.

Keywords

Cite

@article{arxiv.1910.02401,
  title  = {Faithful actions of braid groups by twists along ADE-configurations of spherical objects},
  author = {Anya Nordskova and Yury Volkov},
  journal= {arXiv preprint arXiv:1910.02401},
  year   = {2020}
}

Comments

v3: minor improvements in the exposition, numerous typos fixed