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Results tagged with hilbert-spaces
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user 482860
A Hilbert space $H$ is a real or complex vector space endowed with an inner product such that $H$ is a complete metric space when endowed with the norm induced by this inner product.
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upper bound for infimum of integral
I was reading this post , where the following question is discussed:
Let $h:[0,1] \rightarrow[0,1]$ be a $C^{1}$ function such that $h^{\prime}(x)<0$ for all $x \in(0,1)$. Then,
$$
\inf _{f \in \mathc …
