# A classification of permutation polynomials of degree $7$ over finite   fields

**Authors:** Xiang Fan

arXiv: 1812.02080 · 2019-05-29

## TL;DR

This paper provides a comprehensive classification of permutation polynomials of degree 7 over finite fields, utilizing computational tools to systematically analyze their structure across all odd prime power fields.

## Contribution

It offers the first complete classification of degree 7 permutation polynomials over finite fields, extending previous partial results and employing SageMath for verification.

## Key findings

- Complete classification of degree 7 permutation polynomials over finite fields.
- Identification of all such polynomials up to linear transformations.
- Use of computational algebra system SageMath for analysis.

## Abstract

Up to linear transformations, we give a classification of all permutation polynomials of degree $7$ over $\mathbb{F}_{q}$ for any odd prime power $q$, with the help of the SageMath software.

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Source: https://tomesphere.com/paper/1812.02080