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On the spectra of certain matrices

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Abstract

A simple formula is given for the eigenvalues of operators defined by the regular representation of any field as an algebra over a subfield of which it is a finite extension. The adjunction of a root, in particular, is considered. By realizing the extension in terms of a transcendent over an arbitrary ground field, one introduces a free parameter which increases the scope of the method.

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Schreiber, M. On the spectra of certain matrices. Integr equ oper theory 5, 273–281 (1982). https://doi.org/10.1007/BF01694042

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  • DOI: https://doi.org/10.1007/BF01694042

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