On circulant complex Hadamard matrices

DOI10.1023/A:1013817013980zbMath1017.05030OpenAlexW1565892411MaRDI QIDQ1598868

Warwick de Launey, K. T. Arasu, Siu Lun Ma

Publication date: 28 May 2002

Published in: Designs, Codes and Cryptography (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1013817013980

zbMATH Keywords

relative difference setforbidden subgroup

Mathematics Subject Classification ID

Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Combinatorial aspects of difference sets (number-theoretic, group-theoretic, etc.) (05B10)

Related Items (7)

Analytic aspects of the circulant Hadamard conjecture ⋮ Perfect sequences over the quaternions and \((4n, 2, 4n, 2n)\)-relative difference sets in \(C_n \times Q_8\) ⋮ Almost supplementary difference sets and quaternary sequences with optimal autocorrelation ⋮ On Hadamard full propelinear codes with associated group \(C_{2t}\times C_2\) ⋮ Determinants of binomial-related circulant matrices ⋮ Spectral measures and Cuntz algebras ⋮ Quasi-orthogonal cocycles, optimal sequences and a conjecture of Littlewood

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