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Binary self-dual codes of various lengths with new weight enumerators from a modified bordered construction and neighbours
Advances in Mathematics of Communications ( IF 0.9 ) Pub Date : 2022-01-01 , DOI: 10.3934/amc.2022021
Joe Gildea 1 , Adrian Korban 2 , Adam M. Roberts 2 , Alexander Tylyshchak 3
Affiliation  

<p style='text-indent:20px;'>In this work, we define a modification of a bordered construction for self-dual codes which utilises <inline-formula><tex-math id="M1">\begin{document}$ \lambda $\end{document}</tex-math></inline-formula>-circulant matrices. We provide the necessary conditions for the construction to produce self-dual codes over finite commutative Frobenius rings of characteristic 2. Using the modified construction together with the neighbour construction, we construct many binary self-dual codes of lengths 54, 68, 82 and 94 with weight enumerators that have previously not been known to exist.</p>

中文翻译:

各种长度的二进制自对偶码,带有来自修改后的边界结构和邻居的新权重枚举器

<p style='text-indent:20px;'>在这项工作中,我们为自对偶代码定义了一个边界结构的修改,它利用了 <inline-formula><tex-math id="M1">\begin{ document}$ \lambda $\end{document}</tex-math></inline-formula>-循环矩阵。我们为构造在特征为 2 的有限交换 Frobenius 环上产生自对偶码提供了必要条件。使用改进的构造和邻域构造,我们构造了许多长度为 54、68、82 和 94 的二进制自对偶码使用以前不知道存在的权重枚举器。</p>
更新日期:2022-01-01
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