Type II Matrices of Size Five |
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| Authors: | Kazumasa Nomura |
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| Institution: | (1) College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Kohnodai, Ichikawa 272, Japan. e-mail: nomura@tmd.ac.jp, JP |
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| Abstract: | . A type II matrix is an n×n matrix W with non-zero entries W
i,j which satisfies , i, j=1, …, n. Two type II matrices W, W′ are said to be equivalent if W′=P
1Δ1
WΔ2
P
2 holds for some permutation matrices P
1, P
2 and for some non-singular diagonal matrices Δ1, Δ2. In the present paper, it is shown that there are up to equivalence exactly three type II matrices in M
5(C).
Received: August 15, 1996 Revised: May 16, 1997 |
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| Keywords: | |
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