摘要: |
设q为素数的方幂,n(≥2)为正整数,给出了模qn-1的q-循环的一些性质,并利用这些性质讨论了F2n到F2上一类特殊正规基的存在性,最后证明了n=4时,这类正规基可为Ⅰ型最优正规基;n≠4时,它一定不是最优正规基. |
关键词: 有限域 正规基 q-循环 |
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A Class of Normal Bases on Binary Field and q Cycle |
LI Bo
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Abstract: |
Let q be the power of a prime p,n(≥2)be an integer.Some properties of q cycle modular qn 1are given.With these properties this paper discusses the existence of a kind of special normal bases from F2n to F2.Finally,it is proved that this kind of special normal bases can be optimal normal bases of type Ⅰ,if n=4;Otherwise,it can't be optimal normal bases. |
Key words: finite fields,normal bases,q cycle |