Hyperbolic forms admit reversible weighted shift determinantal representation

M.T. Chien and H. Nakazato

Applied Mathematics and Computation, 2019, vol. 362, issue C, -

Abstract: Lentzos and Pasley recently showed that a weakly circular symmetric invariant hyperbolic ternary form admits a determinantal representation through a cyclic weighted shift matrix. In this paper, we improve the representing matrix by employing a cyclic weighted shift with reversible weights.

Keywords: Hyperbolic ternary form; Determinantal representation; Reversible weighted shift; Numerical range (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:362:y:2019:i:c:39

DOI: 10.1016/j.amc.2019.124595

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