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arXiv 1802.07792math.NT
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Partial Franel和

Partial Franel sums

Rogelio Tomas

AI总结:

该研究针对特定N推导了Farey序列中不可约分数的位置解析表达式与更优误差下界的渐近行为,定义了部分Franel和并得出其增长阶,还探索了其他部分Franel和,为黎曼假设相关研究提供了新的数论结果。

摘要:

针对特定选择的N,推导了N阶Farey序列$F_N$中不可约分数位置的解析表达式。当这些分数位于$0/1$、$1/2$或$1/1$附近时,推导得到了其渐近行为,且误差下界优于已有结果。Franel关于黎曼假设的著名表述用到了不可约分数与[0,1]内均匀分布点之间距离的求和。本文将部分Franel和定义为$F_N$的一个分数子集上的这些距离之和。研究表明,当$N={\rm lcm}(1,2,...,i)$时,区间$[0, i/N]$内的部分Franel和的增长阶为$O(\log(N)δ_B(\log N))$,其中$δ_B(x)$是一个递减函数。本文还探索了其他部分Franel和。

英文摘要:

Analytical expressions are derived for the position of irreducible fractions in the Farey sequence $F_N$ of order $N$ for a particular choice of $N$. The asymptotic behaviour is derived obtaining a lower error bound than in previous results when these fractions are in the vicinity of $0/1$, $1/2$ or $1/1$. Franel's famous formulation of Riemann's hypothesis uses the summation of distances between irreducible fractions and evenly spaced points in $[0,1]$. A partial Franel sum is defined here as a summation of these distances over a subset of fractions in $F_N$. The partial Franel sum in the range $[0, i/N]$, with $N={\rm lcm}(1,2,...,i)$ is shown here to grow as $O(\log(N)δ_B(\log N))$, where $δ_B(x)$ is a decreasing function. Other partial Franel sums are also explored.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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