Article ID Journal Published Year Pages File Type
4656067 Journal of Combinatorial Theory, Series A 2009 14 Pages PDF
Abstract

Let q be an odd natural number. We prove there is a cocyclic Hadamard matrix of order 210+tq whenever . We also show that if the binary expansion of q contains N ones, then there is a cocyclic Hadamard matrix of order 24N−2q.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics