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zbMath0538.47005MaRDI QIDQ3324493

Jisheng Zhu

Publication date: 1984

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

set-valued map upper semi-continuous semi-continuity continuity of the spectrum maximum theorem upper and lower inverse index function of an operator inner radius of the spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items (1)

New results in the theory of multivalued mappings. I: Topological characteristics and solvability of operator relations

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