Top network posts

• 39 Old books still used
• 26 On the norm of a quotient of a Banach space.
• 21 A property that forces the NORM to be induced by an INNER PRODUCT
• 18 Is the closed unit ball of the Hilbert space homeomorphic to the unit sphere ?
• 16 When exactly is the dual of $L^1$ isomorphic to $L^\infty$ via the natural map?
• 14 Space of bounded functions is reflexive if the domain is finite
• 13 Direct proof of the separation theorem of Hahn-Banach
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