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Ternary extremal four-negacirculant self-dual codes

Combinatorics 2023-06-21 v1 Information Theory math.IT

Abstract

In this note, we give basic properties of ternary four-negacirculant self-dual codes. By exhaustive computer search based on the properties, we complete a classification of ternary extremal four-negacirculant self-dual codes of lengths 40, 44, 48, 52 and 60.

Keywords

Cite

@article{arxiv.2306.10451,
  title  = {Ternary extremal four-negacirculant self-dual codes},
  author = {Masaaki Harada and Keita Ishizuka and Hadi Kharaghani},
  journal= {arXiv preprint arXiv:2306.10451},
  year   = {2023}
}

Comments

arXiv admin note: text overlap with arXiv:2303.05056

R2 v1 2026-06-28T11:08:05.198Z