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7
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2
answers
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Existence of a compactification of $\mathbb{R}$ with $\aleph_0$ remainder
We know that the space $\mathbb{R}$ has compactifications with one point remainder, and two point remainder. but there is no compactification of $\mathbb{R}$ with three point remainder and the same holds …
7
votes
2
answers
2k
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A question about some special compactifications of $\mathbb{R}$
We Know that the topological space $Y$ is a compactification of the topological space $X$, if the space $Y$ is compact and hausdorff and $X$ is dense in $Y$. If for a positive integer $n$ we have a co …