We propose concatenation and switching methods for the construction of single-error-correcting perfect and diameter codes in the Lee metric. We analyze ranks and kernels of diameter perfect codes obtained by the switching construction.

中文翻译：

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Lee 度量中最优码的构造和不变量

我们提出了用于构造 Lee 度量中的单纠错完美码和直径码的串联和切换方法。我们分析了通过交换结构获得的直径完美码的秩和核。