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arXiv:1102.1555 [math.NT]AbstractReferencesReviewsResources

Cyclotomic matrices over the Eisenstein and Gaussian integers

Gary Greaves

Published 2011-02-08, updated 2012-10-03Version 2

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].

Comments: 24 pages
Journal: Journal of Algebra 372 (2012), pp. 560-583
Categories: math.NT
Subjects: 05C22, 05C50, 11C20, 15B33
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