On the Williamson type j matrices of orders \(4\cdot 29\), \(4\cdot 41\), and \(4\cdot 37\)

DOI10.1016/0097-3165(79)90029-3zbMath0432.05015OpenAlexW2081002388MaRDI QIDQ1138560

Mieko Yamada

Publication date: 1979

Published in: Journal of Combinatorial Theory. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0097-3165(79)90029-3

zbMATH Keywords

Hadamard matrixWilliamson equationWilliamson matrix

Mathematics Subject Classification ID

Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20)

Related Items (7)

A new construction for Williamson-type matrices ⋮ Hadamard matrices of the Williamson type of order 4\(\cdot m\), \(m=p\cdot q\) an exhaustive search for \(m=33\) ⋮ Williamson matrices of orders \(4 \cdot 29\) and \(4 \cdot 31\) ⋮ Williamson matrices of order \(4n\) for \(n = 33, 35, 39\) ⋮ Unnamed Item ⋮ On Hadamard groups. IV ⋮ Construction of some Hadamard matrices with maximum excess

Cites Work

• Unnamed Item
• Combinatorics. Room squares, sum-free sets, Hadamard matrices
• An infinite class of Williamson matrices
• An infinite family of Hadamard matrices of Williamson type
• Hadamard's determinant theorem and the sum of four squares
• Hadamard Matrices of the Williamson Type

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