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Divisibility of integers obtained from truncated periodic sequences
International Journal of Number Theory ( IF 0.5 ) Pub Date : 2021-07-06 , DOI: 10.1142/s1793042122500129 Artūras Dubickas 1 , Lukas Jonuška 1
International Journal of Number Theory ( IF 0.5 ) Pub Date : 2021-07-06 , DOI: 10.1142/s1793042122500129 Artūras Dubickas 1 , Lukas Jonuška 1
Affiliation
A finite set of prime numbers S is called unavoidable with respect to b > 1 if for each ξ ∈ ℝ the sequence of integer parts ⌊ ξ b n ⌋ , n = 0 , 1 , 2 , … , contains infinitely many elements divisible by at least one prime number p from the set S . It is known that an unavoidable set exists with respect to b = 2 , 3 , 4 , 6 and that it does not exist if b > 1 is an integer such that b − 1 is not square free. In this paper, we show that no finite unavoidable sets exist with respect to b if b > 3 is a prime number or b belongs to some explicitly given arithmetic progressions, for instance, 2 4 k + 1 1 and 2 4 k + 1 9 , k = 0 , 1 , 2 , … .
中文翻译:
从截断的周期序列获得的整数的整除性
一组有限的素数小号 被称为不可避免的b > 1 如果对于每个ξ ∈ ℝ 整数部分的序列⌊ ξ b n ⌋ ,n = 0 , 1 , 2 , … , 包含无限多个可被至少一个素数整除的元素p 从集合小号 . 已知存在一个不可避免的集合b = 2 , 3 , 4 , 6 并且它不存在,如果b > 1 是一个整数,使得b - 1 不是正方形的。在本文中,我们证明不存在关于b 如果b > 3 是质数或b 属于一些明确给定的算术级数,例如,2 4 ķ + 1 1 和2 4 ķ + 1 9 ,ķ = 0 , 1 , 2 , … .
更新日期:2021-07-06
中文翻译:
从截断的周期序列获得的整数的整除性
一组有限的素数