2000 character limit reached
Cohomology in singular blocks of parabolic category $\mathcal{O}$
Published 5 Oct 2022 in math.RT | (2210.02269v2)
Abstract: We determine the dimensions of $\mathrm{Ext}$-groups between simple modules and dual generalized Verma modules in singular blocks of parabolic versions of category $\mathcal{O}$ for complex semisimple Lie algebras and affine Kac-Moody algebras.
Paper Prompts
Sign up for free to create and run prompts on this paper using GPT-5.
Top Community Prompts
Collections
Sign up for free to add this paper to one or more collections.
