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单词 Compact linear operator
释义

Compact linear operator

英语百科

Compact operator

(重定向自Compact linear operator)

In functional analysis, a branch of mathematics, a compact operator is a linear operator L from a Banach space X to another Banach space Y, such that the image under L of any bounded subset of X is a relatively compact subset of Y. Such an operator is necessarily a bounded operator, and so continuous.

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