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Three conjectures on P+(n) and P+(n + 1) hold under the Elliott-Halberstam conjecture for friable integers
Journal of Number Theory ( IF 0.7 ) Pub Date : 2021-01-20 , DOI: 10.1016/j.jnt.2020.12.013
Zhiwei Wang

Denote by P+(n) the largest prime factor of an integer n. In this paper, we show that the Elliott-Halberstam conjecture for friable integers (or smooth integers) implies three conjectures concerning the largest prime factors of consecutive integers, formulated by Erdős-Turán in the 1930s, by Erdős-Pomerance in 1978, and by Erdős in 1979 respectively. More precisely, assuming the Elliott-Halberstam conjecture for friable integers, we deduce that the three sets E1={nx:P+(n)xs,P+(n+1)xt}, E2={nx:P+(n)<P+(n+1)xα}, E3={nx:P+(n)<P+(n+1)} have an asymptotic density ρ(1/s)ρ(1/t), Tαu(y)u(z)dydz, 1/2 respectively for s,t(0,1), where ρ() is the Dickman function, and Tα, u() are defined in Theorem 2.



中文翻译:

 对于易碎整数,在Elliott-Halberstam猜想下,关于P +n)和P +n +1)的三个猜想成立

表示为 P+ñ整数n的最大素数。在本文中,我们证明了易碎整数(或光滑整数)的Elliott-Halberstam猜想隐含三个与连续整数的最大素数有关的猜想,这些猜想由Erdős-Turán在1930年代,Erdős-Pomerance在1978年以及分别在1979年的Erdős。更准确地说,假设易碎整数的Elliott-Halberstam猜想,我们推论出这三个集合Ë1个={ñXP+ñXsP+ñ+1个XŤ}Ë2={ñXP+ñ<P+ñ+1个Xα}Ë3={ñXP+ñ<P+ñ+1个} 渐近密度 ρ1个/sρ1个/ŤŤαüÿüždÿdž,分别为1/2 sŤ01个,在哪里 ρ 是Dickman函数,并且 Ťαü 定理2中定义。

更新日期:2021-02-03
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