两重$\mathbb{Z}_{p^k}$ -码,$p$奇素数
Two weight $\mathbb{Z}_{p^k}$-codes, $p$ odd prime
摘要:
证明了不存在$p$为奇数且$k\geqslant 2$的对偶汉明距离至少为4的正则齐次二权$\mathbb{Z}_{p^k}$码.证明依赖于建立在对偶码陪集上的强正则图的存在条件。
英文摘要:
We show that regular homogeneous two-weight $\mathbb{Z}_{p^k}$-codes where $p$ is odd and $k\geqslant 2$ with dual Hamming distance at least four do not exist. The proof relies on existence conditions for the strongly regular graph built on the cosets of the dual code.
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