Geodesic
Families of Generalized Weighing Matrices
Canadian journal of mathematics, Tome 30 (1978) no. 5, pp. 1016-1028

Voir la notice de l'article provenant de la source Cambridge University Press

Generalized weighing (GW) matrices are orthogonal matrices whose nonzero entries are roots of unity. Several families are constructed with the aid of finite geometries which include as special cases interesting examples of conference matrices and weighing matrices. 
Berman, Gerald. Families of Generalized Weighing Matrices. Canadian journal of mathematics, Tome 30 (1978) no. 5, pp. 1016-1028. doi: 10.4153/CJM-1978-086-8
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