## Abstract

Assuming the Riemann hypothesis, we prove estimates for the variance of the real and imaginary part of the logarithm of the Riemann zeta function in short intervals. We give three different formulations of these results. Assuming a conjecture of Chan for how often gaps between zeros can be close to a fixed non-zero value, we prove a conjecture of Berry (1988) for the number variance of zeta zeros in the non-universal regime. In this range, Gaussian unitary ensemble statistics do not describe the distribution of the zeros. We also calculate lower order terms in the second moment of the logarithm of the modulus of the Riemann zeta function on the critical line. Assuming Montgomery's pair correlation conjecture, this establishes a special case of a conjecture of Keating and Snaith (2000).

Original language | English |
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Pages (from-to) | 303-348 |

Number of pages | 46 |

Journal | Mathematika |

Volume | 69 |

Issue number | 2 |

DOIs | |

Publication status | Published - Apr 2023 |

## Keywords

- Riemann zeta-function
- Riemann hypothesis
- Random matrix theory

## ASJC Scopus subject areas

- Mathematics(all)