Some Bush-type Hadamard matrices

DOI10.1016/S0378-3758(01)00318-4zbMath1012.05043OpenAlexW2022239797MaRDI QIDQ1873080

Hadi Kharaghani, F. Kamali, Gholamreza Khosrovshahi

Publication date: 19 May 2003

Published in: Journal of Statistical Planning and Inference (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0378-3758(01)00318-4

zbMATH Keywords

symmetric designstrongly regular graphHadamard matrixBush-type Hadamard matrixdihedral Hadamard matrix

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Association schemes, strongly regular graphs (05E30) Finite affine and projective planes (geometric aspects) (51E15)

Uses Software

• nauty

Cites Work

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• Spreads in strongly regular graphs
• Checkered Hadamard matrices of order 16
• 3-class association schemes and Hadamard matrices of a certain block form
• A block negacyclic Bush-type Hadamard matrix and two strongly regular graphs
• On the twin designs with the Ionin-type parameters
• Unbalanced Hadamard matrices and finite projective planes of even order
• Bush-type Hadamard matrices and symmetric designs
• Quasi-symmetric 2-(28, 12, 11) designs with an automorphism of order 7
• On a problem of K. A. Bush concerning Hadamard matrices
• The existence of a Bush-type Hadamard matrix of order 324 and two new infinite classes of symmetric designs

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