The maximum designed distances of dual-containing non-primitive BCH codes
DISCRETE MATHEMATICS(2024)
摘要
Let q be a prime power and m a positive integer. Suppose that a >= 2 is a factor of qm - 1 such that m is the multiplicative order of q modulo n := qm-1 a . Firstly, for m odd and m even, we present some necessary and sufficient conditions on dual -containing non -primitive BCH codes of length n with the maximum designed distances over Fq, respectively. The results show that the maximum designed distances of dual -containing BCH codes in this paper are larger than those in [2, Theorem 3]. Secondly, we explicitly determine the dimensions of some dual -containing non -primitive BCH codes of length n, and finally, we construct some new quantum codes with relatively large minimum distances. (c) 2024 Elsevier B.V. All rights reserved.
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关键词
BCH code,Dual-containing,Quantum code
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