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Self-Dual Permutation Codes over Finite Chain Rings 被引量:1

Self-Dual Permutation Codes over Finite Chain Rings
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摘要 Permutation codes over finite chain rings are introduced; by using the character of the finite chain rings and the knowledge of representation of group, some conditions for existence or non-existence of self-dual permutation codes over finite chain rings are obtained. Specially, when the group is a direct product of a 2-group and a T-group, and the group action is transitive, the sufficient and necessary condition of the existence of permutation codes is given. Permutation codes over finite chain rings are introduced; by using the character of the finite chain rings and the knowledge of representation of group, some conditions for existence or non-existence of self-dual permutation codes over finite chain rings are obtained. Specially, when the group is a direct product of a 2-group and a T-group, and the group action is transitive, the sufficient and necessary condition of the existence of permutation codes is given.
出处 《Wuhan University Journal of Natural Sciences》 CAS 2007年第6期992-996,共5页 武汉大学学报(自然科学英文版)
基金 Supported by the National Natural Science Foundation of China (60373087, 60473023, 90104005, 60673071)
关键词 finite chain ring group code permutation code self-dual code finite chain ring group code permutation code self-dual code
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