functional analysis - Proof that a linear map T is bounded if and only if the inverse image of the unit ball has nonempty interior - Mathematics Stack Exchange
ultrafilter theorem in nLab
Chapter 5 Weak and Weak* Topologies
Assorted notes on functional analysis
PDF) Weak * * * Topology, Compactness and the Existence of Certain Invariant Measures
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Banach Spaces
arXiv:math/0412551v1 [math.FA] 31 Dec 2004
ON THE HAHN-BANACH THEOREM 1. What is it? - Universidad de ...