Classification of Extremal Double Circulant Formally Self-Dual even Codes

T. Aaron Gulliver, Masaaki Harada

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Formally self-dual even codes have recently been studied. Double circulant even codes are a family of such codes and almost all known extremal formally self-dual even codes are of this form. In this paper, we classify all extremal double circulant formally self-dual even codes which are not self-dual. We also investigate the existence of near-extremal formally self-dual even codes.

Original languageEnglish
Pages (from-to)25-35
Number of pages11
JournalDesigns, Codes, and Cryptography
Volume11
Issue number1
DOIs
Publication statusPublished - 1997 Jan 1
Externally publishedYes

Keywords

  • Double circulant codes
  • Extremal codes
  • Formally self-dual codes

ASJC Scopus subject areas

  • Computer Science Applications
  • Applied Mathematics

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