Two classes of permutation polynomials over finite fields

Two classes of permutation polynomials over finite fields
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DOI:
10.1016/j.jcta.2010.02.001
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发表时间:
2011-02
期刊:
J. Comb. Theory A
影响因子:
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通讯作者:
Xiang-dong Hou
Xiang-dong Hou
中科院分区:
其他
文献类型:
--
作者:
Xiang-dong Hou

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提出了有限域上的两类新的置换多项式: (i) [公式:参见文本] over [公式:参见文本] 其中 e 是正偶整数; (ii) gn,p(x)=Σnp⩽l⩽np−1nl(ln−l(p−1))×xn−l(p−1)over [公式:参见文本] 其中 e 是一个正整数,使得 e≠0(mod 2) 如果 p=2,且 n=(p−1)pm+p0e+p1e+⋯+p(p−1)e,(m−1,e)=1。 (i) 中的置换多项式回答了有关逆迪克森多项式的开放问题。
Two new classes of permutation polynomials over finite fields are presented: (i) [Formula: see text] over [Formula: see text] where e is a positive even integer; (ii) gn,p(x)=∑np⩽l⩽np−1nl(ln−l(p−1))×xn−l(p−1)over [Formula: see text] where e is a positive integer such that e≡0(mod 2) if p=2, and n=(p−1)pm+p0e+p1e+⋯+p(p−1)e, (m−1,e)=1. The permutation polynomial in (i) answers an open question about reversed Dickson polynomials.