Some left pure semisimple ringoids which are not right pure semisimple

Some left pure semisimple ringoids which are not right pure semisimple
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一些左纯半单环形曲线不是右纯半单环形曲线

DOI:
10.1080/00927877908822429
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发表时间:
1979
影响因子:
0.7
通讯作者:
Hermann Brune
Hermann Brune
中科院分区:
数学3区
文献类型:
--
作者:
Hermann Brune

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我们刻画良序集是这样的全序集,其K-线性表示的范畴对任意域K都是纯半单的。利用这一结果,我们证明了对每个自然数n,对于n=∞,都有一个左纯整体维为0,右纯整体维为n的全序集。
We characterize well-ordered sets to be exactly the totally ordered sets whose category of K-linear representations is pure semisimple for any field K. Using this result we exhibit for each natural number n and for n =∞ a ringoid of left pure global dimension 0 and right pure global dimension n.