English

Orthogonal designs and symmetric Hadamard matrices

Combinatorics 2025-08-26 v1

Abstract

Our main result is the construction of symmetric Hadamard matrices of order q(1 + q) where q is a prime power congruent to 3 mod 8.

Keywords

Cite

@article{arxiv.2508.17141,
  title  = {Orthogonal designs and symmetric Hadamard matrices},
  author = {Dragomir Ž. Djoković},
  journal= {arXiv preprint arXiv:2508.17141},
  year   = {2025}
}