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arXiv 1003.3386cs.ITmath.IT
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类单式码

Monomial-like codes

Edgar Martinez-Moro, Hakan Ozadam, Ferruh Ozbudak, Steve Szabo

摘要:

作为F_{p^a}上长度为p^s的循环码的推广,我们研究了长度为p^{s_1} X.的n维循环码。X p^{s_n}在F_{p^a}上由单个“单项”生成。也就是说,我们研究了形式为<(x_1 - 1)^{i_1}.(x_n - 1)^{i_n}>在F_{p^a} [x_1. x_n] / < x_1^{p^{s_1}}-1,.,x_n^{p^{s_n}}-1 >。我们称这种码为类单名码。我们表明,这些代码所产生的某些单变量代码的产品,我们确定他们的最小汉明距离。我们确定了产生奇偶检验矩阵的类单名码的对偶。我们还提出了一种替代的方式来构建一个奇偶检验矩阵使用Hasse导数。本文研究了一类单项类码的权族。我们简化了一个表达式,给我们这些代码的重量层次。

英文摘要:

As a generalization of cyclic codes of length p^s over F_{p^a}, we study n-dimensional cyclic codes of length p^{s_1} X ... X p^{s_n} over F_{p^a} generated by a single "monomial". Namely, we study multi-variable cyclic codes of the form <(x_1 - 1)^{i_1} ... (x_n - 1)^{i_n}> in F_{p^a}[x_1...x_n] / < x_1^{p^{s_1}}-1, ..., x_n^{p^{s_n}}-1 >. We call such codes monomial-like codes. We show that these codes arise from the product of certain single variable codes and we determine their minimum Hamming distance. We determine the dual of monomial-like codes yielding a parity check matrix. We also present an alternative way of constructing a parity check matrix using the Hasse derivative. We study the weight hierarchy of certain monomial like codes. We simplify an expression that gives us the weight hierarchy of these codes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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