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1998 | OriginalPaper | Buchkapitel

Hilbert Spaces. Weak Convergence

verfasst von : Jürgen Jost

Erschienen in: Postmodern Analysis

Verlag: Springer Berlin Heidelberg

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Hilbert spaces are Banach spaces with norm derived from a scalar product. A sequence in a Hilbert space is said to converge weakly if its scalar product with any fixed element of the Hilbert space converges. Weak convergence satisfies important compactness properties that do not hold for ordinary convergence in an infinite dimensional Hilbert space. In particular, any bounded sequence contains a weakly convergent subsequence.

Metadaten
Titel
Hilbert Spaces. Weak Convergence
verfasst von
Jürgen Jost
Copyright-Jahr
1998
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-03635-8_22