2 1 Ja n 19 94 CRITERION FOR THE RESOLVENT SET OF NONSYMMETRIC TRIDIAGONAL OPERATORS
نویسنده
چکیده
We study nonsymmetric tridiagonal operators acting in the Hilbert space l and describe the spectrum and the resolvent set of such operators in terms of a continued fraction related to the resolvent. In this way we establish a connection between Padé approximants and spectral properties of nonsymmetric tridiagonal operators.
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