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A Hardy–Ramanujan-type inequality for shifted primes and sifted sets
Lithuanian Mathematical Journal ( IF 0.4 ) Pub Date : 2021-07-01 , DOI: 10.1007/s10986-021-09523-y Kevin Ford
中文翻译:
移位素数和筛选集的 Hardy-Ramanujan 型不等式
更新日期:2021-07-01
Lithuanian Mathematical Journal ( IF 0.4 ) Pub Date : 2021-07-01 , DOI: 10.1007/s10986-021-09523-y Kevin Ford
We establish an analog of the Hardy–Ramanujan inequality for counting members of sifted sets with a given number of distinct prime factors. In particular, we establish a bound for the number of shifted primes p + a below x with k distinct prime factors, uniformly for all positive integers k.
中文翻译:
移位素数和筛选集的 Hardy-Ramanujan 型不等式
我们建立了 Hardy-Ramanujan 不等式的类比,用于计算具有给定数量的不同质因子的筛选集合的成员。特别是,我们为x以下具有k 个不同素数因子的移位素数p + a的数量建立了界限,对于所有正整数k都是一致的。