On the Integrality of the Elementary Symmetric Functions of 1, 1/3, . . . , 1/(2n − 1)

On the Integrality of the Elementary Symmetric Functions of 1, 1/3, . . . , 1/(2n − 1)
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DOI:
10.1515/ms-2015-0064
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发表时间:
2011-12
影响因子:
1.6
通讯作者:
Chunlin Wang;Shaofang Hong
Chunlin Wang;Shaofang Hong
中科院分区:
数学4区
文献类型:
--
作者:
Chunlin Wang;Shaofang Hong

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摘要:埃尔德什(Erdős)和尼文(Niven)证明了对于任意正整数m和d,只有有限多个正整数n使得1/m,1/(m + d),…,1/(m + nd)的一个或多个初等对称函数是整数。在本文中,我们证明如果n ≥ 2,那么1,1/3,…,1/(2n - 1)的任何初等对称函数都不是整数。
Abstract Erdős and Niven proved that for any positive integers m and d, there are only finitely many positive integers n for which one or more of the elementary symmetric functions of 1/m, 1/(m + d), . . . , 1/(m + nd) are integers. In this paper, we show that if n ≥ 2, then none of the elementary symmetric functions of 1, 1/3, . . . , 1/(2n − 1) is an integer