Abstract
The solutions ofp(T)=S, whereS is normal andp a polynomial, are described.
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References
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This work was supported, in part, by Grant GP-3628 of the National Science Foundation.
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Foguel, S.R. Algebraic functions of normal operators. Israel J. Math. 6, 199–201 (1968). https://doi.org/10.1007/BF02760251
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DOI: https://doi.org/10.1007/BF02760251