On the matrices with constant determinan
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S. Akbari; H.-R. FanaΔ±Μ; K. Mahmoudian
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Article
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2003
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Elsevier Science
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English
β 161 KB
Let Β΅ m be the group of mth roots of unity. In this paper it is shown that if m is a prime power, then the number of all square matrices (of any order) over Β΅ m with non-zero constant determinant or permanent is finite. If m is not a prime power, we construct an infinite family of matrices over Β΅ m