The geometric sieve for quadrics

The geometric sieve for quadrics
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DOI:
10.1515/forum-2020-0074
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发表时间:
2021-01-01
期刊:
影响因子:
0.8
通讯作者:
Heath-Brown, Roger
Heath-Brown, Roger
中科院分区:
数学2区
文献类型:
--
作者:
Browning, Tim D.;Heath-Brown, Roger

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我们开发了 Ekedahl 几何筛的一个版本,用于至少五阶的积分二次形式。当一个范围超过这种二次形式的零点时,我们使用筛子来计算多项式互质值的密度,并且进一步解决有关由零点参数化的簇族中局部溶解度的问题。
We develop a version of Ekedahl's geometric sieve for integral quadratic forms of rank at least five. As one ranges over the zeros of such quadratic forms, we use the sieve to compute the density of coprime values of polynomials, and furthermore, to address a question about local solubility in families of varieties parameterised by the zeros.