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On the irrationality of certain $p$-adic zeta values

Number Theory 2025-05-30 v1

Abstract

A famous theorem of Zudilin states that at least one of the Riemann zeta values ζ(5),ζ(7),ζ(9),ζ(11)\zeta(5), \zeta(7), \zeta(9), \zeta(11) is irrational. In this paper, we establish the pp-adic analogue of Zudilin's theorem. As a weaker form of our result, it is proved that for any prime number p5p \geqslant 5 there exists an odd integer ii in the interval [3,p+p/logp+5][3,p+p/\log p+5] such that the pp-adic zeta value ζp(i)\zeta_p(i) is irrational.

Keywords

Cite

@article{arxiv.2505.23088,
  title  = {On the irrationality of certain $p$-adic zeta values},
  author = {Li Lai and Cezar Lupu and Johannes Sprang},
  journal= {arXiv preprint arXiv:2505.23088},
  year   = {2025}
}

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24 pages, 1 table