Some Observations on Quasi-3 Designs and Hadamard Matrices

Authors:
Wayne Broughton;Gary Mcguire
Affiliations:
Department of Mathematics and Statistics, Okanagan University College, Kelowna, B.C., Canada;Department of Mathematics, National University of Ireland, Maynooth, Co. Kildare, Ireland
Venue:
Designs, Codes and Cryptography
Year:
1999

Citing 5
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Abstract

We consider Hadamardmatrices with the quasi-3 property, and their implications forthe existence of certain quasi-symmetric designs. We find necessaryconditions on the parameters, and show that the quasi-3 propertyis preserved by the Kronecker product.