Kleshchev, Alexander Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1090/tran/7464 (Verlagsversion)
arXiv:1511.05905.pdf (Preprint), 562KB
Kleshchev, A., & Muth, R. (2019). Affine zigzag algebras and imaginary strata for KLR algebras. Transactions of the American Mathematical Society, 371(7), 4535-4583. doi:10.1090/tran/7464.