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arXiv 1006.0109cs.ITmath.IT
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关于最小距离为8和10的二元线性码的结果

Results on Binary Linear Codes With Minimum Distance 8 and 10

Iliya Bouyukliev, Erik Jakobsson

摘要:

所有最小距离为8且余维数为14的码和所有最小距离为10且余维数为18的码都被分类。证明了参数为[33,18,8]和[33,14,10]的码的不存在性。这导致了8个新的精确界的二元线性码。首先使用了两种考虑对偶码的算法,即具有适当坐标的对偶码的扩展,以及用于在图中找到最大团的快速算法,该算法被修改为找到具有正确依赖结构的向量的最大集合。

英文摘要:

All codes with minimum distance 8 and codimension up to 14 and all codes with minimum distance 10 and codimension up to 18 are classified. Nonexistence of codes with parameters [33,18,8] and [33,14,10] is proved. This leads to 8 new exact bounds for binary linear codes. Primarily two algorithms considering the dual codes are used, namely extension of dual codes with a proper coordinate, and a fast algorithm for finding a maximum clique in a graph, which is modified to find a maximum set of vectors with the right dependency structure.

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