<p>We provide conditional and unconditional asymptotic formulae for the exponential sums <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11139_2025_1208_Article_IEq1.gif" Format="GIF" Height="23" Rendition="HTML" Resolution="72" Type="Linedraw" Width="62" /> </InlineMediaObject> <EquationSource Format="TEX">\(\sum _\gamma \,\gamma ^{-i\tau }\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msub> <mo>∑</mo> <mi>γ</mi> </msub> <mspace width="0.166667em" /> <msup> <mi>γ</mi> <mrow> <mo>-</mo> <mi>i</mi> <mi>τ</mi> </mrow> </msup> </mrow> </math></EquationSource> </InlineEquation>, where the summation is over the ordinates of the nontrivial zeros <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11139_2025_1208_Article_IEq2.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="80" /> </InlineMediaObject> <EquationSource Format="TEX">\(\rho =\beta +i\gamma \)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>ρ</mi> <mo>=</mo> <mi>β</mi> <mo>+</mo> <mi>i</mi> <mi>γ</mi> </mrow> </math></EquationSource> </InlineEquation> of the Riemann zeta-function. In particular, the obtained results are related to the Lindelöf Hypothesis for these ordinates (in the sense of Gonek et al. in Proc AMS 148:2863–2875, 2020).</p>

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The Lindelöf Hypothesis for zeta zero ordinates

  • Ramūnas Garunkštis,
  • Athanasios Sourmelidis,
  • Jörn Steuding

摘要

We provide conditional and unconditional asymptotic formulae for the exponential sums \(\sum _\gamma \,\gamma ^{-i\tau }\) γ γ - i τ , where the summation is over the ordinates of the nontrivial zeros \(\rho =\beta +i\gamma \) ρ = β + i γ of the Riemann zeta-function. In particular, the obtained results are related to the Lindelöf Hypothesis for these ordinates (in the sense of Gonek et al. in Proc AMS 148:2863–2875, 2020).