Extensions of Verma modules
Representation Theory
2014-08-12 v2
Abstract
Comments on extensions of Verma modules in the Bernstein-Gelfand-Gelfand Category O.
Cite
@article{arxiv.1303.6535,
title = {Extensions of Verma modules},
author = {Rahbar Virk},
journal= {arXiv preprint arXiv:1303.6535},
year = {2014}
}
Comments
Crucial flaw in proof of Theorem 3. The argument only gives a lower bound, not purity as claimed (the latter most likely does not hold except for in small rank)