English

Lower bounds on expressions dependent on functions $\varphi(n)$, $\psi(n)$ and $\sigma(n)$, II

Number Theory 2024-05-01 v1

Abstract

In this paper we establish lower bounds on several expressions dependent on functions φ(n)\varphi(n), ψ(n)\psi(n) and σ(n)\sigma(n).

Keywords

Cite

@article{arxiv.2404.19332,
  title  = {Lower bounds on expressions dependent on functions $\varphi(n)$, $\psi(n)$ and $\sigma(n)$, II},
  author = {S. I. Dimitrov},
  journal= {arXiv preprint arXiv:2404.19332},
  year   = {2024}
}