We show that \(M\)-structures can be extended to Hadamard matrices of generalized quaternion type and obtain multiplication type theorems which preserve the structure.
Citation
Jennifer Seberry, Mieko Yamada. On the Multiplication Theorems of Hadamard Matrices of Generalized Quaternion Type Using \(M\)-Structures[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 013. 97-106. .