English

Perfect Eisenstein integers

Number Theory 2022-08-16 v1

Abstract

We generalise the sum-of-divisors-function σ\sigma and evenness to the rings of integers of certain algebraic number fields. In particular, we present necessary and sufficient conditions for even Eisenstein integers to be (norm-)perfect based on the work of McDaniel [McD] on Gaussian integers. Furthermore, some results concerning odd norm-perfect Eisenstein integers and the rings of integers of other cyclotomic fields are proven.

Keywords

Cite

@article{arxiv.2208.06617,
  title  = {Perfect Eisenstein integers},
  author = {Johann Christian Stumpenhusen},
  journal= {arXiv preprint arXiv:2208.06617},
  year   = {2022}
}

Comments

25 pages, 2 figures

R2 v1 2026-06-25T01:41:02.020Z