Axiomatic theory of Burnside rings. (I)

Axiomatic theory of Burnside rings. (I)
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伯恩赛德环的公理理论。

DOI:
10.1016/j.jalgebra.2018.03.012
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发表时间:
2018
期刊:
Journal Algebra
影响因子:
--
通讯作者:
and Y. Takegahara
and Y. Takegahara
中科院分区:
--
文献类型:
--
作者:
T. Yoshida;F. Oda;and Y. Takegahara

文献摘要

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本文研究了本质有限范畴的抽象Burnside环。在唯一的表单分解性质和某种余等子的存在性下,我们证明了ABR的一个基本正合列的存在性。此外,ABR可以嵌入到有理特征标环的直积中。
In this paper, we study abstract Burnside rings of essentially finite categories. Under unique epi-mono factorization property and the existence of coequalizers for some kind, we prove the existence of a fundamental exact sequence for ABR. Furthermore, an ABR can be embedded into a direct product of rational character rings.