On the spectrum of weakly almost periodic solutions of certain abstract differential equations.
Satyanarayan Rao, Aribindi, Dube, L.S. (1985)
International Journal of Mathematics and Mathematical Sciences
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Satyanarayan Rao, Aribindi, Dube, L.S. (1985)
International Journal of Mathematics and Mathematical Sciences
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Vladimír Lovicar (1973)
Časopis pro pěstování matematiky
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K. K. Kampoukos, S. K. Mercourakis (2010)
Fundamenta Mathematicae
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A class of Banach spaces, countably determined in their weak topology (hence, WCD spaces) is defined and studied; we call them strongly weakly countably determined (SWCD) Banach spaces. The main results are the following: (i) A separable Banach space not containing ℓ¹(ℕ) is SWCD if and only if it has separable dual; thus in particular, not every separable Banach space is SWCD. (ii) If K is a compact space, then the space C(K) is SWCD if and only if K is countable.
M. Valdivia (1989)
Studia Mathematica
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Lovicar, Vladimír
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Marián Fabian, Gilles Godefroy (1988)
Studia Mathematica
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