Extensions of finite irreducible conformal modules over Lie conformal algebras W(a, b, r)

被引：0
|
作者：
Pan, Hongfei [1 ]
Yue, Xiaoqing [1 ,2 ]
机构：
[1] Tongji Univ, Sch Math Sci, Shanghai, Peoples R China
[2] Tongji Univ, Sch Math Sci, Shanghai 200092, Peoples R China
来源：
COMMUNICATIONS IN ALGEBRA | 2024年 / 52卷 / 04期
关键词：
Conformal modules; extensions of modules; Lie conformal algebras W(a; b; r); Virasoro conformal algebra; CLASSIFICATION; COHOMOLOGY;
D O I：
10.1080/00927872.2023.2274471
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this article, we study extensions of conformal modules over Lie conformal algebras W(a, b, r) with three parameters a, b, r is an element of C, which contain the Virasoro Lie conformal algebra Vir, W(b) and W(a, b) as subalgebras. We obtain the existence conditions of extensions of nontrivial conformal modules over W(a, b, r) and give a complete classification of extensions of finite irreducible conformal modules of W(a, b, r).
引用
收藏
页码：1746 / 1770
页数：25
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