Counting ideals in abelian number fields

Already Dedekind and Weber considered the problem of counting integral ideals of norm at most x in a given number field K . Here we improve on the existing results in case K / Q is abelian and has degree at least four. For these fields, we obtain as a consequence an improvement of the available results on counting pairs of coprime ideals each having norm at most x .

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Publication Details

Journal
Journal of Number Theory
Published
2025-11-21
DOI
https://doi.org/10.1016/j.jnt.2025.10.012
Primary Topic
Analytic Number Theory Research
Type
article
Field-Weighted Citation Impact
0.00
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article

Counting ideals in abelian number fields

Pieter Moree, Alessandro Languasco, Rashi Lunia
Journal of Number Theory
Analytic Number Theory Research
article

Counting ideals in abelian number fields

Pieter Moree, Alessandro Languasco, Rashi Lunia
article en

Abstract

Already Dedekind and Weber considered the problem of counting integral ideals of norm at most x in a given number field K . Here we improve on the existing results in case K / Q is abelian and has degree at least four. For these fields, we obtain as a consequence an improvement of the available results on counting pairs of coprime ideals each having norm at most x .

Journal of Number TheoryVol. 282
University of Padua (IT), Max Planck Institute for Mathematics (DE)
Openalex Percentile: Top 57%
Analytic Number Theory Research
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