Small operators between Banach and Hilbert spaces
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R. Dudley (1970)
Studia Mathematica
Faried, Nashat, Abd El-Kader, Zeinab (2002)
International Journal of Mathematics and Mathematical Sciences
A. Clausing, S. Papadopoulous (1977)
Mathematische Annalen
Jean G. Dhombres (1971)
Mémoires de la Société Mathématique de France
Bruce Chalmers, Grzegorz Lewicki (1999)
Studia Mathematica
We construct k-dimensional (k ≥ 3) subspaces of , with a very simple structure and with projection constant satisfying .
A. Dijksma, H. S. V. de Snoo (1973)
Compositio Mathematica
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