Homotopically non-trivial additive subgroups of Hilbert spaces

DOI10.1090/S0002-9939-99-05245-4zbMath0916.46010MaRDI QIDQ4235567

Janusz Grabowski

Publication date: 22 March 1999

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

coveringsorthogonal projectionsadditive subgroup of a Hilbert space

Mathematics Subject Classification ID

Structure of general topological groups (22A05) Classical Banach spaces in the general theory (46B25) Dimension theory in general topology (54F45)

Related Items (3)

Open problems in topology. ⋮ Open problems in topology, seventh status report ⋮ Density of quantized approximations

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