Document Type

Article

Publication Date

2020

Published In

Communications in Algebra

Keywords

Category O, Extensions, Verma modules

Abstract

Gabber and Joseph introduced a ladder diagram between two natural sequences of extensions. Their diagram is used to produce a `twisted' sequence that is applied to old and new results on extension groups in category O.

DOI

10.1080/00927872.2020.1740242

Comments

This is an Accepted Manuscript of an article published by Taylor & Francis in Communications in Algebra, available online: https://doi.org/10.1080/00927872.2020.1740242.

Rights

© 2020 Taylor & Francis Group, LLC

Available for download on Thursday, March 18, 2021

Included in

Mathematics Commons

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