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weak convergence (Definition)

Suppose $X$ is a topological vector space, $X'$ is the continuous dual of $X$ , and $x_0,x_1,\ldots $ is a sequence in $X$ . Then we say that $x_i$ converges weakly to $x\in X$ if $$ \lim_{i\to \infty} f(x_i) = f(x) $$ for every $f\in X'$ . The notation for this is $x_i \xrightarrow[]{w} x$ .




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See Also: weak* convergence in normed linear space, convergence in distribution

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Cross-references: converges, sequence, continuous dual, topological vector space
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This is version 5 of weak convergence, born on 2005-02-07, modified 2005-02-11.
Object id is 6723, canonical name is WeakConvergence.
Accessed 4764 times total.

Classification:
AMS MSC46-00 (Functional analysis :: General reference works )

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