Top network posts

• 39 Old books still used
• 28 On the norm of a quotient of a Banach space.
• 22 A property that forces the NORM to be induced by an INNER PRODUCT
• 20 When exactly is the dual of $L^1$ isomorphic to $L^\infty$ via the natural map?
• 18 Is the closed unit ball of the Hilbert space homeomorphic to the unit sphere ?
• 14 Direct proof of the separation theorem of Hahn-Banach
• 14 What is the topological dual of a dual space with the weak* topology?
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