A characterization of skew Hadamard matrices and doubly regular tournaments
Combinatorics
2012-02-27 v1
Abstract
We give a new characterization of skew Hadamard matrices of size in terms of the data of the spectra of tournaments of size .
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Cite
@article{arxiv.1202.5374,
title = {A characterization of skew Hadamard matrices and doubly regular tournaments},
author = {Hiroshi Nozaki and Sho Suda},
journal= {arXiv preprint arXiv:1202.5374},
year = {2012}
}
Comments
9 pages