关于 2、3、4 度的稳定多项式

IF 1.2 3区数学 Q1 MATHEMATICS

Finite Fields and Their Applications Pub Date : 2024-08-08 DOI:10.1016/j.ffa.2024.102474

Tong Lin, Qiang Wang

引用次数: 0

摘要

设 q 为质幂。对于 m=2,3,4，我们通过卡佩利定理构造出 Fq 上 bm-1(x+a)m+c(x+a)+d形式的稳定多项式。此外，当 m=2 且 q≡1（mod4）时，我们改进了由 Goméz-Pérez 和 Nicolás [4] 提出的 Fq 上稳定二次多项式数量的下限。当 m=3 时，我们证明了 Ahmadi 和 Monsef-Shokri 的猜想 [2]，即 x3+x2+1 在 F2 上是稳定的。

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On the stable polynomials of degrees 2,3,4

Let q be a prime power. For $m = 2, 3, 4$ , we construct stable polynomials of the form $b^{m - 1} {(x + a)}^{m} + c (x + a) + d$ over $F_{q}$ by Capelli's lemma. Moreover, when $m = 2$ and $q \equiv 1 (\mod 4)$ , we improve a lower bound for the number of stable quadratic polynomials over $F_{q}$ due to Goméz-Pérez and Nicolás [4]. When $m = 3$ , we prove Ahmadi and Monsef-Shokri's conjecture [2] that $x^{3} + x^{2} + 1$ is stable over $F_{2}$ .

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来源期刊

Finite Fields and Their Applications 数学-数学

CiteScore

2.00

自引率

20.00%

发文量

133

审稿时长

6-12 weeks

期刊介绍： Finite Fields and Their Applications is a peer-reviewed technical journal publishing papers in finite field theory as well as in applications of finite fields. As a result of applications in a wide variety of areas, finite fields are increasingly important in several areas of mathematics, including linear and abstract algebra, number theory and algebraic geometry, as well as in computer science, statistics, information theory, and engineering. For cohesion, and because so many applications rely on various theoretical properties of finite fields, it is essential that there be a core of high-quality papers on theoretical aspects. In addition, since much of the vitality of the area comes from computational problems, the journal publishes papers on computational aspects of finite fields as well as on algorithms and complexity of finite field-related methods. The journal also publishes papers in various applications including, but not limited to, algebraic coding theory, cryptology, combinatorial design theory, pseudorandom number generation, and linear recurring sequences. There are other areas of application to be included, but the important point is that finite fields play a nontrivial role in the theory, application, or algorithm.