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arXiv 0706.4306math.RTmath.AGmath.CO
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n阶模量的光滑模型

Smooth models of quiver moduli

Johannes Engel, Markus Reineke

摘要:

对箭图的稳定表示的任意模空间,构造了某些光滑簇,紧化了模空间上的射影空间纤维化.分析了这种紧化的边界。导出了光滑模型的贝蒂数的显式公式。在简单表示模的情况下,构造了光滑模型的显式胞腔剖分。

英文摘要:

For any moduli space of stable representations of quivers, certain smooth varieties, compactifying projective space fibrations over the moduli space, are constructed. The boundary of this compactification is analyzed. Explicit formulas for the Betti numbers of the smooth models are derived. In the case of moduli of simple representations, explicit cell decompositions of the smooth models are constructed.

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