Character formulas and Bernstein-Gelfand-Gelfand resolutions for Cherednik algebra modules
arXiv:1511.00748 · doi:10.1112/plms/pdw044
Abstract
We study blocks of category O for the Cherednik algebra having the property that every irreducible module in the block admits a BGG resolution, and as a consequence prove a character formula conjectured by Oblomkov-Yun.
34 pages, color figures