Regular stones of wild hereditary algebras

Regular stones of wild hereditary algebras
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野生遗传代数的正则石

DOI:
10.1016/0022-4049(94)90078-7
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发表时间:
1994
影响因子:
0.8
通讯作者:
F. Lukas
F. Lukas
中科院分区:
数学2区
文献类型:
--
作者:
O. Kerner;F. Lukas

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如果A是有限维狂野遗传代数,我们研究包含准长度为2的石头的正则分量类,其中石头是没有自延伸的砖块。我们表明,这种类型的非真诚分量只有有限个,并且只要代数具有具有自扩张的基本模,则不存在具有准长度为 2 的石块的真诚分量。
IfAis a finite-dimensional wild hereditary algebra we study the classof regular components containing stones of quasi-lenght two, where a stone is a brick without self-extensions. We show that there are only finitely many non-sincere components of this type and, provided the algebra has elementary modules with self-extensions, no sincere component with stones of quasi-length two.