On the twin designs with the Ionin-type parameters

Electronic Journal of Combinatorics

Volumn 7, Issue 1 R, 2000, Pages 1-11

  Kharaghani, H ^a  

^a UNIVERSITY OF LETHBRIDGE   (Canada)

Author keywords

Balanced generalized weighing matrix; Bush type Hadamard matrix; Design with Ionin type parameters; Regular Hadamard matrix; Symmetric design; Weighing matrix

Indexed keywords

EID: 0002694788     PISSN: 10778926     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (5)

1. K.A. Bush, Unbalanced Hadamard matrices and finite projective planes of even order, JCT, 11(1971), pp. 38-44.
2. Warwick de Launey, Section on "Bhaskar Rao designs," CRC Handbook of Combinatorial Designs, edited by Charles J. Colbourn and Jeffrey H. Dinitz, Kluwer Academic Press, 1996.
3. Y.J. Ionin, New symmetric designs from regular Hadamard matrices, The Electronic Journal of Combinatorics, Vol. 5, No.1 (1998), R1.
4. F. Kamali, H. Kharaghani and G. B. Khosrovshahi, Constructing some 2-(64,28,12) and 2-(144,66,30) symmetric designs, preprint.
5. H. Kharaghani, New classes of weighing matrices, ARS comb., 19(1985), pp. 69-72.