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arxiv: 0910.2252 · v2 · submitted 2009-10-12 · 🧮 math.FA

A counterexample for a suptheorem in locally convex spaces

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keywords convexlocallysigmasubsetattainsboundedbriefclosed
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In this brief note, we provide an example of non complete locally convex space $E$ with a $\sigma(E, E^*)$ closed bounded subset $C\subset E$, which is not $\sigma(E, E^*)$-compact, even if every $\varphi\in E^*$ attains its sup over $C$.

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