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Applications of the Hasse-Weil bound to permutation polynomials

机译:Hasse-Weil绑定到置换多项式的应用

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摘要

Riemann's hypothesis on function fields over a finite field implies the Hasse-Weil bound for the number of zeros of an absolutely irreducible bi-variate polynomial over a finite field. The Hasse-Weil bound has extensive applications in the arithmetic of finite fields. In this paper, we use the Hasse-Weil bound to prove two results on permutation polynomials over F-q where q is sufficiently large. To facilitate these applications, the absolute irreducibility of certain polynomials in F-q [X, Y] is established. (C) 2018 Elsevier Inc. All rights reserved.
机译:黎曼关于有限域上的函数域的假设暗示了有限域上绝对不可约的二元多项式的零点数目的Hasse-Weil界。 Hasse-Weil界在有限域的算术中具有广泛的应用。在本文中,我们使用Hasse-Weil界证明了q足够大的F-q上置换多项式的两个结果。为了促进这些应用,建立了F-q [X,Y]中某些多项式的绝对不可约性。 (C)2018 Elsevier Inc.保留所有权利。

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