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Characterizations and constructions of triple-cycle permutations of the form $$x^rh(x^s)$$
Designs, Codes and Cryptography ( IF 1.4 ) Pub Date : 2020-06-23 , DOI: 10.1007/s10623-020-00768-1
Mengna Wu , Chengju Li , Zilong Wang

Let $${\mathbb {F}}_q$$ be the finite field with q elements and let f be a permutation polynomial over $${\mathbb {F}}_q$$. Let $$S_q$$ denote the symmetric group on $${\mathbb {F}}_q$$. In this paper, we mainly investigate some characterizations on the elements $$f \in S_q$$ of order 3, i.e., $$f\circ f\circ f=I$$, where f is also called a triple-cycle permutation in the literature. Some explicit triple-cycle permutations are constructed.

中文翻译:

$$x^rh(x^s)$$ 形式的三循环排列的表征和构造

令 $${\mathbb {F}}_q$$ 为具有 q 个元素的有限域,令 f 为 $${\mathbb {F}}_q$$ 上的置换多项式。令 $$S_q$$ 表示 $${\mathbb {F}}_q$$ 上的对称群。在本文中,我们主要研究了3阶元素$$f\in S_q$$的一些表征,即$$f\circ f\circ f=I$$,其中f也称为三环置换在文献中。构造了一些显式的三循环排列。
更新日期:2020-06-23
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