论文标题

几乎素数,奇偶校验问题和连续整数II的ERD猜想之间的差距很小

Small gaps between almost primes, the parity problem, and some conjectures of Erdős on consecutive integers II

论文作者

Goldston, Daniel A., Graham, Sidney W., Panidapu, Apoorva, Pintz, Janos, Schettler, Jordan, Yıldırım, Cem Y.

论文摘要

本文旨在作为论文arxiv的续集:0803.2636这里的四个合着者写了。在本文中,他们证明了Erdős-Mirksy的一种更强的猜想,该猜想指出,有无限的正整数$ x $,因此$ d(x)= d(x+1)$其中$ d(x)$表示$ x $的分区数量。这种猜想首先由希思布朗(Heath-Brown)于1984年证明,但该方法并未揭示此类$ x $的值$ d(x)$的性质。特别是,无法得出结论,$ d(x)= d(x+1)= a $ a $ cobly频繁的$ a $ a $ a $ a $ a $ a。在上一篇论文ARXIV:0803.2636中,作者表明,有很多正整数$ x $,因此$ x $和$ x+1 $都有指数pattert $ \ {2,1,1,1,1 \} $,所以$ d(x)= d(x)= d(x+1)= 24 $。类似的结果以某些班次$ n $,即$ x $和$ x+n $具有相同的固定指数模式而闻名。这是针对$ n $的换班,即使是一对双素素的产物都可以分开或不排除。本文的目的是简单地证明了指数模式的结果,以进行任意转移$ n $。

This paper is intended as a sequel to a paper arXiv:0803.2636 written by four of the coauthors here. In the paper, they proved a stronger form of the Erdős-Mirksy conjecture which states that there are infinitely many positive integers $x$ such that $d(x)=d(x+1)$ where $d(x)$ denotes the number of divisors of $x$. This conjecture was first proven by Heath-Brown in 1984, but the method did not reveal the nature of the set of values $d(x)$ for such $x$. In particular, one could not conclude that there was any particular value $A$ for which $d(x)=d(x+1)=A$ infinitely often. In the previous paper arXiv:0803.2636, the authors showed that there are infinitely many positive integers $x$ such that both $x$ and $x+1$ have exponent pattern $\{2,1,1,1\}$, so $d(x)=d(x+1)=24$. Similar results were known for certain shifts $n$, i.e., $x$ and $x+n$ have the same fixed exponent pattern infinitely often. This was done for shifts $n$ which are either even or not divisible by the product of a pair of twin primes. The goal of this paper is to give simple proofs of results on exponent patterns for an arbitrary shift $n$.

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