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Results tagged with compactifications
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user 2926
8
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Is there an explicit construction of the Bohr Compactification of the Integers?
The only thing I can think of is that the circle $\mathbb{T}$ in its discrete topology is isomorphic to $\mathbb{R} \oplus \mathbb{Q}/\mathbb{Z}$ in its discrete topology, and the Pontryagin dual of t …
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14
votes
Ends of topological spaces. Why independent of choice of ascending sequence of compact subsets?
Neil has already given adequate reply; this answer is partly for Simon, and partly for those who do like category theory, and realize that its purpose is to make life simpler, not more complicated!
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