Almost primes in Piatetski-Shapiro sequences
Almost primes in Piatetski-Shapiro sequences
复制标题
Piatetski-Shapiro 序列中的几乎素数
DOI:
10.3934/math.2021554
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发表时间:
2021-06
期刊:
影响因子:
2.2
通讯作者:
Victor Zhenyu Guo
中科院分区:
文献类型:
--
作者:
Victor Zhenyu Guo
The Piatetski-Shapiro sequences are sequences of the form $ (\left\lfloor {{n^c}} \right\rfloor)_{n = 1}^\infty $ for $ c > 1 $ and $ c \not\in \mathbb{N} $. It is conjectured that there are infinitely many primes in Piatetski-Shapiro sequences for $ c \in (1, 2) $. For every $ R \ge 1 $, we say that a natural number is an $ R $-almost prime if it has at most $ R $ prime factors, counted with multiplicity. In this paper, we prove that there are infinitely many $ R $-almost primes in Piatetski-Shapiro sequences if $ c \in (1, c_R) $ and $ c_R $ is an explicit constant depending on $ R $.
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