On quasi-twisted codes and generalized quasi-twisted codes over $$\mathbb {Z}_{4} +u\mathbb {Z}_{4}$$

Ayoub Mounir, Abdelfattah Haily
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引用次数: 0

Abstract

In this paper, our main objective is to examine the properties and characteristics of 1-generator \((2 + u)\)-quasi-twisted (QT) codes and \((2 + u)\)-generalized quasi-twisted (GQT) codes over the ring \(\mathbb {Z}_4 +u\mathbb {Z}_4 \), with \(u^2=1\). We determine the structure of the generators and minimal generating sets for both 1-generator \((2 + u)\)-QT and \((2 + u)\)-GQT codes. Additionally, we establish a lower bound for the minimum distance of free 1-generator \((2 + u)\)-QT and \((2 + u)\)-GQT codes over R. Furthermore, we present some numerical examples that illustrate the construction of some optimal \(\mathbb {Z}_4\)-linear codes using the Gray map.

关于 $$\mathbb {Z}_{4} 上的准扭曲码和广义准扭曲码+u\mathbb {Z}_{4}$$
在本文中,我们的主要目标是研究环 \(\mathbb {Z}_4 +u\mathbb {Z}_4 \)上的、带有 \(u^2=1\)的 1-生成器 \((2+u)\)-准扭曲(QT)码和 \((2+u)\)-广义准扭曲(GQT)码的性质和特征。我们确定了 1 个生成器 \((2 + u)\)-QT 和 \((2 + u)\)-GQT 码的生成器和最小生成集的结构。此外,我们还为 R 上的自由 1-生成器 ((2 + u))-QT 和 ((2 + u))-GQT 码的最小距离建立了一个下限。此外,我们还给出了一些数值示例,说明了使用格雷映射构造一些最优 (\mathbb {Z}_4\)-线性码的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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