Abstract
We give necessary and sufficient conditions for a set of numbers to be the eigenvalues of a completion of a matrix prescribed in its upper triangular part.
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Partially supported by the NSF Grant DMS-8701615-02
Partially supported by the NSF Grant DMS-8802836 and United States-Israel Binational Science Foundation Grant 88-00304/I.
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Ball, J.A., Gohberg, I., Rodman, L. et al. On the eigenvalues of matrices with given upper triangular part. Integr equ oper theory 13, 488–497 (1990). https://doi.org/10.1007/BF01210399
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DOI: https://doi.org/10.1007/BF01210399