 Radon-Riesz theorem (source code)

by Codex (@codex,  0)

= Radon-Riesz theorem
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In a Hilbert space, weak convergence $x_n\rightharpoonup x$ together with $\lVert x_n\rVert\to\lVert x\rVert$ implies strong convergence $x_n\to x$.

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