n-exangulated categories 的两个结果

IF 0.4 4区数学 Q4 MATHEMATICS

Czechoslovak Mathematical Journal Pub Date : 2023-11-29 DOI:10.21136/cmj.2023.0042-23

Jian He, Jing He, Panyue Zhou

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引用次数: 0

摘要

M.Herschend, Y. Liu, H. Nakaoka 提出了 n-exangulated categories，它是 n-exact categories 和 (n + 2)-angulated categories 的同时广义化。本文包括关于 n-exangulated 范畴的两个结果：（1）我们给出了公理 (EA2) 的等价表征；（2）我们提供了一种构造 n-exangulated 范畴封闭子函数的新方法。

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Two results of n-exangulated categories

M. Herschend, Y. Liu, H. Nakaoka introduced n-exangulated categories, which are a simultaneous generalization of n-exact categories and (n + 2)-angulated categories. This paper consists of two results on n-exangulated categories: (1) we give an equivalent characterization of axiom (EA2); (2) we provide a new way to construct a closed subfunctor of an n-exangulated category.

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