Contents

Projective Properties of Small Hadamard Matrices and Fractional Factorial Designs

Derek Goh1, Deborah J Street1
1 School of Mathematical Sciences University of Technology, Sydney New South Wales 2007 AUSTRALIA

Abstract

We consider the projective properties of small Hadamard matrices when viewed as two-level \(OAs\) of strength two. We show that in some cases sets of rows with the same type of
projection form balanced incomplete block designs.