Symmetric products of a semistable degeneration of surfaces

Symmetric products of a semistable degeneration of surfaces
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DOI:
10.1007/s00209-017-1991-z
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发表时间:
2017-12
影响因子:
0.8
通讯作者:
Yasunari Nagai
Yasunari Nagai
中科院分区:
数学2区
文献类型:
--
作者:
Yasunari Nagai

文献摘要

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利用环几何构造了无三点的局部半稳定退化曲面的相对对称积的av -法向交叉Gorenstein正则模型。利用该模型,我们计算了相对对称积的stringye -多项式。我们还明确地构造了Hilbert格式退化的极小模型。
We explicitly construct aV-normal crossing Gorenstein canonical model of the relative symmetric products of a local semistable degeneration of surfaces without a triple point by means of toric geometry. Using this model, we calculate the stringyE-polynomial of the relative symmetric product. We also construct a minimal model of degeneration of Hilbert schemes explicitly.