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The numerical radius and specttural matrices |
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| Authors: | Moshe Goldberg Eitan Tadmor Gideon Zwas |
| Affiliation: | Institute for the Interdisciplinary, Applications of Algebra and Combinatorics, University of California , Santa Barbara |
| Abstract: | In this paper we investigate spectral matrices, i.e., matrices with equal spectral and numerical radii. Various characterizations and properties of these matrices are given. |
| Keywords: | Quaternion numerical range convexity |