Quadratic Double Circulant Codes over Fields

Quadratic Double Circulant Codes over Fields
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DOI:
10.1006/jcta.2001.3198
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发表时间:
2002
期刊:
J. Comb. Theory A
影响因子:
--
通讯作者:
P. Gaborit
P. Gaborit
中科院分区:
其他
文献类型:
--
作者:
P. Gaborit

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本文将Pless对称码推广到不同的领域。特别地,在GF(4),GF(5),GF(7)和GF(9)上引入了新的自对偶码无限族。证明了其中一些码的自同构群包含群PSL2(q)。本文给出了GF(4)和GF(5)上的新码,它们具有比已知码更好的最小重量。
A generalization of the Pless symmetry codes to different fields is presented. In particular new infinite families of self-dual codes over GF(4), GF(5), GF(7), and GF(9) are introduced. It is proven that the automorphism group of some of these codes contains the group PSL2(q). New codes over GF(4) and GF(5), with better minimum weight than previously known codes, are given.