A conjecture on the minimum length of binary linear codes

Authors

  • Tatsuya Maruta Osaka Metropolitan University, Osaka, Japan
  • Taiki Tochiyama Osaka Metropolitan University, Osaka, Japan
  • Keita Yasufuku Osaka Metropolitan University, Osaka, Japan

DOI:

https://doi.org/10.55630/mem.2026.55.423-432

Keywords:

Griesmer bound, optimal code, divisible code

Abstract

We give a new conjecture on D_{2,k}, where D_{q,k} denotes the largest d such that a linear code of dimension k with minimum weight d meeting the Griesmer bound does not exist. We also prove that D_{2,11} = 1632, which yields that our conjecture is valid for dimensions k <= 11.

Author Biographies

Tatsuya Maruta, Osaka Metropolitan University, Osaka, Japan

Department of Mathematics
Osaka Metropolitan University
3-3-138 Sugimoto, Sumiyoshi-ku
Osaka 558-8585 Japan

Taiki Tochiyama, Osaka Metropolitan University, Osaka, Japan

Department of Mathematics
Osaka Metropolitan University
3-3-138 Sugimoto, Sumiyoshi-ku
Osaka 558-8585 Japan

Keita Yasufuku, Osaka Metropolitan University, Osaka, Japan

Department of Mathematics
Osaka Metropolitan University
3-3-138 Sugimoto, Sumiyoshi-ku
Osaka 558-8585 Japan

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Published

2026-05-19

How to Cite

[1]
Maruta, T. et al. 2026. A conjecture on the minimum length of binary linear codes. Mathematics and Education in Mathematics. 55, (May 2026), 423–432. DOI:https://doi.org/10.55630/mem.2026.55.423-432.