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arXiv 1004.3083math.RTmath.AGmath.RA
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二维箭图的半不变量的最小生成集

Minimal generating set for semi-invariants of quivers of dimension two

A. A. Lopatin

摘要:

维数为(2,. 2)是建立在一个无限域的任意特征。所述生成集由一般矩阵的行列式和两两不同的多重度的树路径的迹组成,其中在特征不同于两个的情况下,我们只取容许路径。因此,我们描述的关系模可分解的半不变量。

英文摘要:

A minimal (by inclusion) generating set for the algebra of semi-invariants of a quiver of dimension (2,...,2) is established over an infinite field of arbitrary characteristic. The mentioned generating set consists of the determinants of generic matrices and the traces of tree paths of pairwise different multidegrees, where in the case of characteristic different from two we take only admissible paths. As a consequence, we describe relations modulo decomposable semi-invariants.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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