The minimum Hamming distances of irreducible cyclic codes

The minimum Hamming distances of irreducible cyclic codes
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DOI:
10.1016/j.ffa.2014.05.003
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发表时间:
2014-09
期刊:
Finite Fields Their Appl.
影响因子:
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通讯作者:
Fengwei Li;Q. Yue;Chengju Li
Fengwei Li;Q. Yue;Chengju Li
中科院分区:
其他
文献类型:
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作者:
Fengwei Li;Q. Yue;Chengju Li

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设F q是一个有q个元素的有限域,且n= 11m11m2m2m, m1≥1,m1≥1,其中11l2是不同素数,11l2| q−1。本文给出了环F q [x]/< x l 1 m 1 1 m 2 m 2−1>中的所有不可约因子和所有原初幂等元。进一步,我们得到了长度为11m1m2m2f / q的所有不可约循环码的维数和最小汉明距离。
Let F q be a finite field with q elements and n= l 1 m 1 l 2 m 2, m 1≥ 1, m 2≥ 1, where l 1, l 2 are distinct primes and l 1 l 2| q− 1. In this paper, we give all irreducible factors of x l 1 m 1 l 2 m 2− 1 over F q and all primitive idempotents in a ring F q [x]/< x l 1 m 1 l 2 m 2− 1>. Furthermore, we obtain the dimensions and the minimum Hamming distances of all irreducible cyclic codes of length l 1 m 1 l 2 m 2 over F q.