The weight enumerators of several classes of p-ary cyclic codes

The weight enumerators of several classes of p-ary cyclic codes
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DOI:
10.1016/j.disc.2015.02.005
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发表时间:
2015-07
期刊:
Discret. Math.
影响因子:
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通讯作者:
Dabin Zheng;Xiaoqiang Wang;Long Yu;Hongwei Liu
Dabin Zheng;Xiaoqiang Wang;Long Yu;Hongwei Liu
中科院分区:
其他
文献类型:
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作者:
Dabin Zheng;Xiaoqiang Wang;Long Yu;Hongwei Liu

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设p是奇素数,m和k是两个正整数且m≥ 3.设h±1(x)和h±t(x)分别是F p上±α− 1和±α− t的极小多项式,其中α是F p m的本原元.设C1,− 1,±t,C±1,t,− t和C1,− 1,t,− t分别是Fp上长度为pm − 1的循环码,校验多项式分别为h1(x)h− 1(x)h±t(x),h±1(x)h t(x)h− t(x)和h1(x)h− 1(x)h t(x)h− t(x)。本文确定了循环码C1,− 1,±t,C±1,t,− t和C1,− 1,t,− t的重量分布,其中参数t满足某些同余方程.
Let p be an odd prime, and m and k be two positive integers with m≥ 3. Let h±1 (x) and h±t (x) be the minimal polynomials of±α− 1 and±α− t over F p, respectively, where α is a primitive element of F p m. Let C 1,− 1,±t, C±1, t,− t and C 1,− 1, t,− t be the cyclic codes over F p of length p m− 1 with parity-check polynomials h 1 (x) h− 1 (x) h±t (x), h±1 (x) h t (x) h− t (x) and h 1 (x) h− 1 (x) h t (x) h− t (x), respectively. This paper determines the weight distributions of the cyclic codes C 1,− 1,±t, C±1, t,− t and C 1,− 1, t,− t for the parameter t satisfying some congruence equations.