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## Main Question or Discussion Point

What is the relationship between topology, functional analysis, and group theory? All three seem to overlap, and I can't quite see how to distinguish them / what they're each for.

- Thread starter -Alexander-
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What is the relationship between topology, functional analysis, and group theory? All three seem to overlap, and I can't quite see how to distinguish them / what they're each for.

- #2

Bacle2

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continuity and about distinguishing spaces up to homeomorphisms, functional

analysis is about solving linear equations Lu=f in an infinite-dimensional context,

and group theory is about groups. Why don't you go over, say, Wikipedia and ask

something a little more narrow?

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