Let <i>f</i>(u) and <i>g</i>(v) be two polynomials of degree <i>k</i> and <i>l</i> respectively, not both linear which s......

利用内外指标的对偶运算及(反)自对偶运算的统一定义,将su(2,2|1)主丛联络作为基本场变量来构建自对偶的共形超引力拉氏函数. 得到......

确定自对偶图的特征结构是尚未解决的图论中的困难问题，本文给出自对偶图的一个必要条件，并利用拟阵理论，构造出两类自对偶图．......

A definition of a self-dual code on graph and a procedure based on factor graphs to judge a self-dual code were presente......

In this paper, we give an explicit construction for self-dual codes over Fp+vFp(v^2= v) and determine all the self-dual ......

利用阴影码和已知自对偶码的生成矩阵,给出二元自对偶码及其重量算子的几种方法和主要结果;通过对现有方法和结果分析,给出有待解......

文章定义了环 R ＝ F2＋ uF2＋ u2 F2＋…＋ u7 F2到 F82的一个新的G ray映射，将环 R上长为n的一类常循环码等距映射成 F2上长为8n的线性循环......

In this paper, we construct MDS Euclidean self-dual codes which are ex-tended cyclic duadic codes. And we obtain many ne......

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