English

The classification of orthogonal arrays OA(2048,14,2,7) and some completely regular codes

Combinatorics 2024-06-14 v3 Discrete Mathematics

Abstract

We describe the classification of orthogonal arrays OA(2048,14,2,7)(2048,14,2,7), or, equivalently, completely regular {14;2}\{14;2\}-codes in the 1414-cube (3084830848 equivalence classes). In particular, we find that there is exactly one almost-OA(2048,14,2,7+1)(2048,14,2,7{+}1), up to equivalence. As derived objects, OA(1024,13,2,6)(1024,13,2,6) (202917202917 classes) and completely regular {12,2;2,12}\{12,2;2,12\}- and {14,12,2;2,12,14}\{14, 12, 2; 2, 12, 14\}-codes in the 1313- and 1414-cubes, respectively, are also classified. Keywords: binary orthogonal array, completely regular code, binary 1-perfect code.

Keywords

Cite

@article{arxiv.2311.05428,
  title  = {The classification of orthogonal arrays OA(2048,14,2,7) and some completely regular codes},
  author = {Denis S. Krotov},
  journal= {arXiv preprint arXiv:2311.05428},
  year   = {2024}
}

Comments

v2: revised, corrected, representation of the almost-OA(2048,14,2,7+1) updated; v3: accepted version (minor revision)