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On the Number of Products Which Form Perfect Powers and Discriminants of Multiquadratic Extensions
International Mathematics Research Notices ( IF 0.9 ) Pub Date : 2019-12-30 , DOI: 10.1093/imrn/rnz316 Régis de la Bretèche 1 , Pär Kurlberg 2 , Igor E Shparlinski 3
中文翻译:
多二次推广的完全幂乘积的个数和判别式
更新日期:2019-12-30
International Mathematics Research Notices ( IF 0.9 ) Pub Date : 2019-12-30 , DOI: 10.1093/imrn/rnz316 Régis de la Bretèche 1 , Pär Kurlberg 2 , Igor E Shparlinski 3
Affiliation
Abstract
We study some counting questions concerning products of positive integers $u_1, \ldots , u_n$, which form a nonzero perfect square, or more generally, a perfect $k$-th power. We obtain an asymptotic formula for the number of such integers of bounded size and in particular improve and generalize a result of D. I. Tolev (2011). We also use similar ideas to count the discriminants of number fields that are multiquadratic extensions of ${\mathbb{Q}}$ and improve and generalize a result of N. Rome (2017).
中文翻译:
多二次推广的完全幂乘积的个数和判别式
摘要
我们研究了一些关于正整数乘积 $u_1, \ldots , u_n$ 的计数问题,它们形成一个非零完美平方,或者更一般地说,一个完美的 $k$ 次幂。我们获得了此类有界整数数量的渐近公式,并特别改进和推广了 DI Tolev (2011) 的结果。我们还使用类似的想法来计算作为 ${\mathbb{Q}}$ 的多二次扩展的数字域的判别式,并改进和推广 N. Rome (2017) 的结果。