Question
Check whether the identity map on an infinite dimensional space is compact.
Functional analysis is all about studying infinite-dimensional spaces and the maps between them, so this question is right up its alley. In the realm of functional analysis, the identity map on an infinite-dimensional space is a classic case to consider.
Let's delve into it. In functional analysis, a map is considered compact if it maps bounded sets to relatively compact sets. Now, when we _____________ _____________ __ _____________ __________ ____ ____ _____ ___________.
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||.||2 is also compact.
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