Variations on a theme of Schinzel and Wójcik

preprint2021arXivOpen access

Abstract

Schinzel and Wójcik have shown that if α,βα, β are rational numbers not 00 or ±1\pm 1, then ordp(α)=ordp(β)\mathrm{ord}_p(α)=\mathrm{ord}_p(β) for infinitely many primes pp, where ordp(⋅)\mathrm{ord}_p(\cdot) denotes the order in Fp×\mathbb{F}_p^{\times}. We begin by asking: When are there infinitely many primes pp with ordp(α)>ordp(β)\mathrm{ord}_p(α) > \mathrm{ord}_p(β)? We write down several families of pairs α,βα,β for which we can prove this to be the case. In particular, we show this happens for "100\%" of pairs A,2A,2, as AA runs through the positive integers. We end on a different note, proving a version of Schinzel and Wójcik's theorem for the integers of an imaginary quadratic field KK: If α,β∈OKα, β\in \mathcal{O}_K are nonzero and neither is a root of unity, then there are infinitely many maximal ideals PP of OK\mathcal{O}_K for which ordP(α)=ordP(β)\mathrm{ord}_P(α) = \mathrm{ord}_P(β).

Explore this paper’s authors, topics and related work.

Building this map preview

BZPEER is loading the nearby papers, people, topics and institutions for this page.

Reviews 0

Write a reviewWrite

No reviews yet.

Discussion 0

Add a commentWrite

No comments yet.