Some families of permutation polynomials over finite fields

Some families of permutation polynomials over finite fields
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DOI:
10.1142/s1793042108001717
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发表时间:
2007-07
影响因子:
0.7
通讯作者:
Michael E. Zieve
Michael E. Zieve
中科院分区:
数学3区
文献类型:
--
作者:
Michael E. Zieve

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我们给出了形式为xr(1 + xv + x2v +⋯+ xkv)t的多项式的充分必要条件,以排列有限域𝔽q的元素。当(q - 1)/gcd(q - 1, v)是一个小素数时,我们的结果给出了特别简单的准则。
We give necessary and sufficient conditions for a polynomial of the form xr(1 + xv + x2v + ⋯ + xkv)t to permute the elements of the finite field 𝔽q. Our results yield especially simple criteria in case (q - 1)/gcd(q - 1, v) is a small prime.