Circulant Hadamard matrices as HFP-codes of type $C_{4n}\times C_2$
Combinatorics
2017-11-28 v1
Abstract
We prove that a circulant Hadamard code of length can always be seen as an HFP-code (Hadamard full propelinear code) of type , where or the same, as a cocyclic Hadamard code. We compute the rank and dimension of the kernel of these kind of codes.
Cite
@article{arxiv.1711.09373,
title = {Circulant Hadamard matrices as HFP-codes of type $C_{4n}\times C_2$},
author = {Josep Rifà},
journal= {arXiv preprint arXiv:1711.09373},
year = {2017}
}