Document Zbl 0266.47002

Some spectral properties for the locally \(\alpha\)-contraction operators. (English) Zbl 0266.47002

Boll. Unione Mat. Ital., IV. Ser. 6, 323-330 (1972).

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47A10	Spectrum, resolvent
47B20	Subnormal operators, hyponormal operators, etc.
47A55	Perturbation theory of linear operators
47A30	Norms (inequalities, more than one norm, etc.) of linear operators

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