On the monoidality of Saito reflection functors
arXiv:1711.09085
Abstract
We extend the definition of the Saito reflection functor of the Khovanov- Lauda-Rouquier algebras to symmetric Kac-Moody algebra case and prove that it defines a monoidal functor.
18pp, v3: Added explanations and corrected typos. arXiv admin note: text overlap with arXiv:1203.5254