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On trinomials of type Xn+m(1 + AXm(q−1) + BXn(q−1)), n, m odd, over Fq2, q = 22s+1
Finite Fields and Their Applications ( IF 1.2 ) Pub Date : 2021-02-11 , DOI: 10.1016/j.ffa.2021.101816
Daniele Bartoli , Marco Timpanella

We provide necessary conditions for polynomials FA,B,m,n(X)=Xn+m(1+AXm(q1)+BXn(q1))Fq[X], n,m odd, over Fq2, q even, to be permutations. The main tool is the study of algebraic curves associated with the polynomial FA,B,m,n(X) and in particular the investigation of their singularities.



中文翻译:

上类型的三项式X Ñ +(1 +  AXq -1)  +  BX Ñq -1) ),Ñ中号奇数,过Fq2q  = 2 2 s +1

我们提供多项式的必要条件 F一种ñX=Xñ+1个+一种Xq-1个+Xñq-1个Fq[X]ñ 奇怪,结束 Fq2q甚至是排列。主要工具是研究与多项式相关的代数曲线F一种ñX 尤其是对其奇异性的研究。

更新日期:2021-02-11
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