中文

关于 $\theta(x) - x$ 的首次符号变化

数论 2014-07-09 v1

摘要

θ(x)=pxlogp\theta(x) = \sum_{p\leq x} \log p。我们证明了对于 2<x<1.3910172<x< 1.39\cdot 10^{17},有 θ(x)<x\theta(x)<x。我们还证明了存在一个 x<exp(727.951332668)x<\exp(727.951332668) 使得 θ(x)>x\theta(x) >x

关键词

引用

@article{arxiv.1407.1914,
  title  = {On the first sign change of $\theta(x) - x$},
  author = {Dave Platt and Tim Trudgian},
  journal= {arXiv preprint arXiv:1407.1914},
  year   = {2014}
}

备注

10 pages, 2 figures