Cyclotomic matrices over the Eisenstein and Gaussian integers
classification
🧮 math.NT
keywords
eisensteingaussianintegersmatricescyclotomicclassifyeigenvalueshermitian
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We classify all cyclotomic matrices over the Eisenstein and Gaussian integers, that is, all Hermitian matrices over the Eisenstein and Gaussian integers that have all their eigenvalues in the interval [-2, 2].
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