\(T\)-regular points of closed-range for operators in Banach spaces

zbMATH Open0988.47002MaRDI QIDQ2743127

Dongsheng Shen

Publication date: 24 September 2001

Published in: Journal of Zhangzhou Teachers College. Natural Science (Search for Journal in Brave)

zbMATH Keywords

singular pointsclosed-rangeregular pointsBanach space operators\(T\)-regular pointsreduced minimum modulus function

Mathematics Subject Classification ID

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

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