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Main Author: Sabihi, Ahmad
Format: Preprint
Published: 2016
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Online Access:https://arxiv.org/abs/1605.08273
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author Sabihi, Ahmad
author_facet Sabihi, Ahmad
contents In this paper, we make use of Robin and Lagarias' criteria to prove Riemann hypothesis. The goal is, using Lagarias criterion for $n\geq 1$ since Lagarias criterion states that Riemann hypothesis holds if and only if the inequality $\sum_{d|n}d\leq H_{n}+\exp(H_{n})\log(H_{n})$ holds for all $n\geq 1$. Although, Robin's criterion is used as well. Our approach breaks up the set of the natural numbers into the two main subsets. The first subset is $\{n\in \mathbb{N}| ~ 1\leq n\leq 2(3\times5\dots\times331)^{2}\}$. The second one is $\{n\in \mathbb{N}| ~ n\geq 2(3\times5\dots\times331)^{2}\}$. In our proof, the second subset is decomposed again into the three sub-subsets including odd numbers and the two groups of the even numbers. Then,each group of the even numbers is expressed by an odd integer class number set. Finally, mathematical arguments are stated for each odd integer class number set. Odd integer class number set is introduced in this paper. Since the Lagarias criterion holds for the first subset regarding computer aided computations and Thomas Morril's paper, we do prove it for the second subset using both Lagarias and Robin's criteria and mathematical arguments. It then follows that Riemann hypothesis holds as well. Essential keys of the proof for large numbers are theorem 1 proving $σ(m)<\frac{1}{2}e^γm \log\log(2m)$ for odd numbers $m\geq (3\times5\dots\times331)^{2}$, lemma9 and lemma 10 proving $e^γ(1-\frac{1}{p_{1}})\dots (1-\frac{1}{p_{n}})\log\log(2p_{1}\dots p_{n})<2$ for $n\geq 1$ and $e^γ(1-\frac{1}{p_{1}})\dots (1-\frac{1}{p_{n}})\log\log(2p^{2}_{1}\dots p^{2}_{n})>2$ for $n\geq 66$.
format Preprint
id arxiv_https___arxiv_org_abs_1605_08273
institution arXiv
publishDate 2016
record_format arxiv
spellingShingle Robin inequality,Lagarias criterion, and Riemann hypothesis
Sabihi, Ahmad
General Mathematics
11A05, 11A07, 11A41, 11N05, 11M26
In this paper, we make use of Robin and Lagarias' criteria to prove Riemann hypothesis. The goal is, using Lagarias criterion for $n\geq 1$ since Lagarias criterion states that Riemann hypothesis holds if and only if the inequality $\sum_{d|n}d\leq H_{n}+\exp(H_{n})\log(H_{n})$ holds for all $n\geq 1$. Although, Robin's criterion is used as well. Our approach breaks up the set of the natural numbers into the two main subsets. The first subset is $\{n\in \mathbb{N}| ~ 1\leq n\leq 2(3\times5\dots\times331)^{2}\}$. The second one is $\{n\in \mathbb{N}| ~ n\geq 2(3\times5\dots\times331)^{2}\}$. In our proof, the second subset is decomposed again into the three sub-subsets including odd numbers and the two groups of the even numbers. Then,each group of the even numbers is expressed by an odd integer class number set. Finally, mathematical arguments are stated for each odd integer class number set. Odd integer class number set is introduced in this paper. Since the Lagarias criterion holds for the first subset regarding computer aided computations and Thomas Morril's paper, we do prove it for the second subset using both Lagarias and Robin's criteria and mathematical arguments. It then follows that Riemann hypothesis holds as well. Essential keys of the proof for large numbers are theorem 1 proving $σ(m)<\frac{1}{2}e^γm \log\log(2m)$ for odd numbers $m\geq (3\times5\dots\times331)^{2}$, lemma9 and lemma 10 proving $e^γ(1-\frac{1}{p_{1}})\dots (1-\frac{1}{p_{n}})\log\log(2p_{1}\dots p_{n})<2$ for $n\geq 1$ and $e^γ(1-\frac{1}{p_{1}})\dots (1-\frac{1}{p_{n}})\log\log(2p^{2}_{1}\dots p^{2}_{n})>2$ for $n\geq 66$.
title Robin inequality,Lagarias criterion, and Riemann hypothesis
topic General Mathematics
11A05, 11A07, 11A41, 11N05, 11M26
url https://arxiv.org/abs/1605.08273