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On binary linear r-identifying codes

机译:关于二进制线性r识别码

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摘要

A subspace C of the binary Hamming space F~n of length n is called a linear r-identifying code if for all vectors of F~n the intersections of C and closed r-radius neighbourhoods are nonempty and different. In this paper, we give lower bounds for such linear codes. For radius r=2,we give some general constructions.We give many (optimal) constructions which were found by a computer search. New constructions improve some previously known upper bounds for r-identifying codes in the case where linearity is not assumed.
机译:如果对于所有F_n向量,C和闭合r-半径邻域的交点都是非空且不同的,则长度为n的二进制汉明空间F_n的子空间C称为线性r识别码。在本文中,我们给出了此类线性代码的下界。对于半径r = 2,我们给出一些一般的构造。我们给出许多(最佳)构造,这些构造是通过计算机搜索发现的。在不假设线性的情况下,新的结构改进了一些用于r识别码的已知上限。

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