Twisted sequences of extensions

被引：1
|
作者：
Carlin, Kevin J. [1 ]
机构：
[1] Assumption Coll, Dept Math & Comp Sci, 500 Salisbury St, Worcester, MA 01609 USA
来源：
COMMUNICATIONS IN ALGEBRA | 2020年 / 48卷 / 08期
关键词：
Category O; extensions; Verma modules;
D O I：
10.1080/00927872.2020.1740242
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
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.
引用
收藏
页码：3471 / 3481
页数：11
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