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Hulls of cyclic and negacyclic codes over finite fields

机译:有限域上的循环码和负循环码的外壳

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摘要

We study the hulls of cyclic and negacyclic codes of length n over, a finite field F-q with respect to the Euclidean and Hermitian inner products. Based on the characterization of their generator polynomials, the dimensions of the hulls of cyclic and negacyclic codes of length mover F-q are determined. The enumerations of cyclic codes and negacyclic codes of length n over F-q having hulls of a given dimension are established as well. As special cases, known results concerning complementary dual and self-dual cyclic codes can be viewed as corollaries of results in this paper. (C) 2014 Elsevier Inc. All rights reserved.
机译:我们研究了长度为n的循环和负循环码的船体,相对于欧几里得和厄米的内积,它的有限域F-q。基于其生成多项式的特征,确定长度移动器F-q的循环码和负循环码的外壳尺寸。还建立了具有给定尺寸的船体的,在F-q上长度为n的循环码和负循环码的枚举。作为特殊情况,可以将与互补对偶和自对偶循环码有关的已知结果视为结果的推论。 (C)2014 Elsevier Inc.保留所有权利。

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