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Results tagged with banach-spaces
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user 5852
A Banach space is a complete normed vector space: A vector space equipped with a norm such that every Cauchy sequence converges.
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answers
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Is a subspace with a certain property dense in the dual of a vector space?
Suppose we have a normed vector space $V$ and its dual $V^*$, and suppose that $X \subseteq V^*$ has the property that for every $v \in V$, there is some $\phi \in X$ with $\Vert \phi \Vert = 1$ such …
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