The Auslander bijections and universal extensions

The Auslander bijections and universal extensions
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DOI:
10.4310/arkiv.2017.v55.n1.a2
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发表时间:
2013-12
期刊:
arXiv: Representation Theory
影响因子:
--
通讯作者:
Xiao-Wu Chen
Xiao-Wu Chen
中科院分区:
其他
文献类型:
--
作者:
Xiao-Wu Chen

文献摘要

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泛延拓在Auslander双射中自然出现。对于具有Auslander-Reiten对偶的阿贝尔范畴,我们利用了一个双射三角形,它涉及Auslander双射,泛扩张和Auslander-Reiten对偶。给出了一些结果,特别是验证了Ringel的一个猜想.
Universal extensions arise naturally in the Auslander bijections. For an abelian category having Auslander-Reiten duality, we exploit a bijection triangle, which involves the Auslander bijections, universal extensions and the Auslander-Reiten duality. Some consequences are given, in particular, a conjecture by Ringel is verified.