Design theory
The solution of the Waterloo problem
Journal of Combinatorial Theory Series A
A unifying construction for difference sets
Journal of Combinatorial Theory Series A
Some New Results on Circulant Weighing Matrices
Journal of Algebraic Combinatorics: An International Journal
Constructions of relative difference sets with classical parameters and circulant weighing matrices
Journal of Combinatorial Theory Series A
Designs, Codes and Cryptography
Circulant weighing matrices of weight 22t
Designs, Codes and Cryptography
Determination of all possible orders of weight 16 circulant weighing matrices
Finite Fields and Their Applications
Circulant weighing matrices whose order and weight are products of powers of 2 and 3
Journal of Combinatorial Theory Series A
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Let n be a fixed positive integer. Every circulant weighing matrix of weight n arises from what we call an irreducible orthogonal family of weight n. We show that the number of irreducible orthogonal families of weight n is finite and thus obtain a finite algorithm for classifying all circulant weighing matrices of weight n. We also show that, for every odd prime power q, there are at most finitely many proper circulant weighing matrices of weight q.