Permutation Polynomials and their Compositional Inverses

Published 9 Jun 2022 in math.CO and math.NT | (2206.04252v1)

Abstract: In this paper, we prove that every PP is an AGW-PP. We also extend the result of Wan and Lidl to other permutation polynomials over finite fields and determine their group structure. Moreover, we provide a new general method to find the compositional inverses of all PPs, some new PPs and their compositional inverses are given.

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Authors (1)

Pingzhi Yuan

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