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A bound for the exterior product of S-units
Algebra & Number Theory ( IF 0.9 ) Pub Date : 2024-09-19 , DOI: 10.2140/ant.2024.18.1589
Shabnam Akhtari, Jeffrey D. Vaaler

We generalize an inequality for the determinant of a real matrix proved by A. Schinzel, to more general exterior products of vectors in Euclidean space. We apply this inequality to the logarithmic embedding of S-units contained in a number field k. This leads to a bound for the exterior product of S-units expressed as a product of heights. Using a volume formula of P. McMullen we show that our inequality is sharp up to a constant that depends only on the rank of the S-unit group but not on the field k. Our inequality is related to a conjecture of F. Rodriguez Villegas.



中文翻译:


S 单元外积的界限



我们推广 A 证明的实数矩阵行列式的不等式。 S chinzel,到欧几里德空间中向量的更一般的外积。我们将这个不等式应用于对数嵌入 S - 数字字段中包含的单位 k 。这导致了外积的界限 S - 以高度乘积表示的单位。使用 P. McMullen 的体积公式,我们表明我们的不等式急剧上升到一个仅取决于 run 的常数 k 属于 S 单位组,但不在场 k 上。我们的不平等与 F. Rodriguez Villegas 的猜想有关。

更新日期:2024-09-19
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