Links between discriminating and identifying codes in the binary hamming space

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Abstract

Let Fn be the binary n-cube, or binary Hamming space of dimension n, endowed with the Hamming distance, and εn (respectively, οn) the set of vectors with even (respectively, odd) weight. For r ≥ 1 and x ∈ Fn, we denote by Br(x) the ball of radius r and centre x. A code C ⊆ F n is said to be r-identifying if the sets Br(x) ∩ C, x ∈ Fn, are all nonempty and distinct. A code C ⊆ εn is said to be r-discriminating if the sets B r(x)∩C, x ∈ οn, are all nonempty and distinct. We show that the two definitions, which were given for general graphs, are equivalent in the case of the Hamming space, in the following sense: for any odd r, there is a bijection between the set of r-identifying codes in F n and the set of r-discriminating codes in Fn+1.

Original languageEnglish
Title of host publicationApplied Algebra, Algebraic Algorithms and Error-Correcting Codes - 17th International Symposium, AAECC- 17, Proceedings
PublisherSpringer Verlag
Pages267-270
Number of pages4
ISBN (Print)9783540772231
DOIs
Publication statusPublished - 1 Jan 2007
Event17th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, AAECC-17 - Bangalore, India
Duration: 16 Dec 200720 Dec 2007

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4851 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference17th International Symposium on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, AAECC-17
Country/TerritoryIndia
CityBangalore
Period16/12/0720/12/07

Keywords

  • Coding theory
  • Discriminating codes
  • Graph theory
  • Hamming space
  • Hypercube
  • Identifying codes

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