2倍纯扩展不需要拆分

Q4 Mathematics
A. Alijani
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引用次数: 0

摘要

本文给出了局部紧阿贝尔群$A$和$C$的一个例子,使得${\rm Pext}^{2}(C,A)\neq 0$。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The 2-fold pure extensions need not split
In this paper, we give an example of locally compact abelian groups $A$ and $C$ such that ${\rm Pext}^{2}(C,A)\neq 0$.
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来源期刊
New Zealand Journal of Mathematics
New Zealand Journal of Mathematics Mathematics-Algebra and Number Theory
CiteScore
1.10
自引率
0.00%
发文量
11
审稿时长
50 weeks
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