On the approximation of the zeta function by Dirichlet polynomials

Fuente: arXiv
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Autore principale: de Reyna, Juan Arias
Natura: Preprint
Pubblicazione: 2024
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author de Reyna, Juan Arias
author_facet de Reyna, Juan Arias
contents We prove that for $s=σ+it$ with $σ\ge0$ and $0<t\le x$, we have \[ζ(s)=\sum_{n\le x}n^{-s}+\frac{x^{1-s}}{(s-1)}+Θ\frac{29}{14} x^{-σ},\qquad \frac{29}{14}=2.07142\dots\] where $Θ$ is a complex number with $|Θ|\le1$. This improves Theorem 4.11 of Titchmarsh.
format Preprint
id arxiv_https___arxiv_org_abs_2406_16667
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle On the approximation of the zeta function by Dirichlet polynomials
de Reyna, Juan Arias
Number Theory
Primary 11M06, Secondary 30D99
We prove that for $s=σ+it$ with $σ\ge0$ and $0<t\le x$, we have \[ζ(s)=\sum_{n\le x}n^{-s}+\frac{x^{1-s}}{(s-1)}+Θ\frac{29}{14} x^{-σ},\qquad \frac{29}{14}=2.07142\dots\] where $Θ$ is a complex number with $|Θ|\le1$. This improves Theorem 4.11 of Titchmarsh.
title On the approximation of the zeta function by Dirichlet polynomials
topic Number Theory
Primary 11M06, Secondary 30D99
url https://arxiv.org/abs/2406.16667