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The uniform distribution modulo one of certain subsequences of ordinates of zeros of the zeta function

Published online by Cambridge University Press:  01 March 2024

FATMA ÇİÇEK
Affiliation:
University of Northern British Columbia, 3333 University Way, Prince George, BC V2N 4Z9, Canada. e-mail:cicek@unbc.ca
STEVEN M. GONEK
Affiliation:
University of Rochester, 915 Hylan Building, 140 Trustee Road, Rochester, NY 14627, U.S.A. e-mail:gonek@math.rochester.edu

Abstract

On the assumption of the Riemann hypothesis and a spacing hypothesis for the nontrivial zeros $1/2+i\gamma$ of the Riemann zeta function, we show that the sequence

\begin{equation*}\Gamma_{[a, b]} =\Bigg\{ \gamma : \gamma>0 \quad \mbox{and} \quad \frac{ \log\big(| \zeta^{(m_{\gamma })} (\frac12+ i{\gamma }) | / (\!\log{{\gamma }} )^{m_{\gamma }}\big)}{\sqrt{\frac12\log\log {\gamma }}} \in [a, b] \Bigg\},\end{equation*}
where the ${\gamma }$ are arranged in increasing order, is uniformly distributed modulo one. Here a and b are real numbers with $a<b$, and $m_\gamma$ denotes the multiplicity of the zero $1/2+i{\gamma }$. The same result holds when the ${\gamma }$’s are restricted to be the ordinates of simple zeros. With an extra hypothesis, we are also able to show an equidistribution result for the scaled numbers $\gamma (\!\log T)/2\pi$ with ${\gamma }\in \Gamma_{[a, b]}$ and $0<{\gamma }\leq T$.

Type
Research Article
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of Cambridge Philosophical Society

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