The maximum number of lines lying on a K3 quartic surface
The maximum number of lines lying on a K3 quartic surface
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K3 四次曲面上的最大直线数
DOI:
10.1007/s00209-016-1742-6
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发表时间:
2017
影响因子:
0.8
通讯作者:
D. Veniani
中科院分区:
文献类型:
--
作者:
D. Veniani
We show that there cannot be more than 64 lines on a quartic surface with isolated rational double points over an algebraically closed field of characteristic, thus extending Segre–Rams–Schütt theorem. Our proof offers a deeper insight into the triangle-free case and takes advantage of a special configuration of lines, thereby avoiding the technique of the flecnodal divisor. We provide several examples of non-smooth K3 quartic surfaces with many lines.
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