Riesz's lemma and orthogonality in normed spaces

zbMath0606.46012MaRDI QIDQ1084620

Shinnosuke Oharu, Kazuo Hashimoto, Gen Nakamura

Publication date: 1986

Published in: Hiroshima Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

James theoremBishop- Phelps theoremcharacterization of non-reflexivity of Banach spacesduality theory of normed spacesgeometric interpretation of Riesz's lemmageometry of second dual Banach spacesnonreflexivity of the completions of incomplete normed spacestwo types of generalizations of Birkhoff orthogonality

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20)

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