English

Combinatorial properties of Circulant Hadamard matrices

Combinatorics 2024-06-18 v1

Abstract

We describe combinatorial properties of the defining row of a circulant Hadamard matrix by exploiting its orthogonality to subsequent rows, and show how to exclude several particular forms of these matrices.

Keywords

Cite

@article{arxiv.2406.10748,
  title  = {Combinatorial properties of Circulant Hadamard matrices},
  author = {Luis H. Gallardo and Olivier Rahavandrainy and Reinhardt. Euler},
  journal= {arXiv preprint arXiv:2406.10748},
  year   = {2024}
}
R2 v1 2026-06-28T17:07:25.824Z