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Journal of Combinatorial Mathematics and Combinatorial Computing

  • Research article

There are no circulant symmetric Williamson matrices of order \(39\)

Christos Koukouvinos1, Stratis Kounias2
1Department of Mathematics University of Thessaloniki Greece, 54006
2Department of Mathematics University of Athens Greece, 15784
  • Published: 30/04/1990

Abstract

It is shown, through an exhaustive search, that there are no circulant symmetric Williamson matrices of order \(39\). The construction of symmetric but not circulant Williamson-type matrices of order \(39\), first given by Miyamoto, Seberry and Yamada, is given explicitly.

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Citation
Christos Koukouvinos, Stratis Kounias. There are no circulant symmetric Williamson matrices of order \(39\)[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 007. 161-169. DOI: .