English

A new criterion on k-normal elements over finite fields

Number Theory 2018-07-27 v1

Abstract

The notion of normal elements for finite fields extension has been generalized as k-normal elements by Huczynska et al. [3]. The number of k-normal elements for a fixed finite field extension has been calculated and estimated [3], and several methods to construct k-normal elements have been presented [1,3]. Several criteria on k-normal element have been given [1,2]. In this paper we present a new criterion on k-normal elements by using idempotents and show some examples. Such criterion has been given for usual normal element before [6].

Keywords

Cite

@article{arxiv.1807.10121,
  title  = {A new criterion on k-normal elements over finite fields},
  author = {Aixian Zhang and Keqin Feng},
  journal= {arXiv preprint arXiv:1807.10121},
  year   = {2018}
}

Comments

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R2 v1 2026-06-23T03:15:23.318Z