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A recursive construction of permutation polynomials over F_(q~2) with odd characteristic related to Redei functions

机译:与REDEI功能相关的F_(Q〜2)递归结构的递归施工施加多项式

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摘要

In this paper, we construct two classes of permutation polynomials over Fq2 with odd characteristic closely related to rational Redei functions. Two distinct characterizations of their compositional inverses are also obtained. These permutation polynomials can be generated recursively. As a consequence, we can generate permutation polynomials with an arbitrary number of terms in a very simple way. Moreover, several classes of permutation binomials and trinomials are given. With the help of a computer, we find that the number of permutation polynomials of these types is quite big.
机译:在本文中,我们通过与Rational Redei功能密切相关的奇数特性构建了两种置换多项式。还获得了其组成逆的两个不同的表征。可以递归地生成这些置换多项式。结果,我们可以以非常简单的方式产生具有任意数量的术语的排列多项式。此外,给出了几种置换二项式和三组。在计算机的帮助下,我们发现这些类型的排列多项式的数量非常大。

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  • 来源
    《Designs, Codes and Crytography》 |2019年第7期|1481-1498|共18页
  • 作者单位

    Chinese Acad Sci Key Lab Math Mechanizat Acad Math & Syst Sci Beijing 100190 Peoples R China;

    Chinese Acad Sci Key Lab Math Mechanizat Acad Math & Syst Sci Beijing 100190 Peoples R China|Sci & Technol Commun Secur Lab Chengdu 610041 Sichuan Peoples R China;

    Chinese Acad Sci Inst Informat Engn State Key Lab Informat Secur Beijing 100093 Peoples R China;

    Carleton Univ Sch Math & Stat Ottawa ON K1S 5B6 Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Finite fields; Permutation polynomials; Compositional inverse; Redei functions; Dickson polynomials;

    机译:有限田地;排列多项式;组成逆;REDEI功能;迪克逊多项式;

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