Extremal Type II Z4-codes constructed from binary doubly even self-dual codes of length 40

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2 Citations (Scopus)

Abstract

In this note, we demonstrate that every binary doubly even self-dual code of length 40 can be realized as the residue code of some extremal Type II Z4-code. As a consequence, it is shown that there are at least 94356 inequivalent extremal Type II Z4-codes of length 40.

Original languageEnglish
Pages (from-to)2466-2468
Number of pages3
JournalDiscrete Mathematics
Volume340
Issue number10
DOIs
Publication statusPublished - 2017 Oct 1

Keywords

  • Doubly even self-dual code
  • Extremality
  • Self-dual code
  • Z-code

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Discrete Mathematics and Combinatorics

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