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One point (non-Hausdorff) compactification of compact space

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#general-topology #compactness #compactification
105
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3-Point Compactification of $\mathbb{R}_{\geq 0} \times \mathbb{R}_{\geq 0}$

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#general-topology #compactification
136
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3-Point Compactification of $\mathbb{N} \times \mathbb{N}$

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#general-topology #compactification
101
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Stone–Čech Compactification always exists?

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#algebraic-topology #compactification
81
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Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

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#geometry #projective-geometry #projective-space #solid-geometry #compactification
91
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When can a homotopy lift to its compactification?

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#general-topology #algebraic-topology #homotopy-theory #compactification
2.4k
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Is one-point compactification of a space metrizable

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#general-topology #metric-spaces #compactness #compactification #second-countable
150
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compactification of the irrationals with discrete remainder

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#general-topology #compactness #irrational-numbers #compactification
211
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Why is $\beta(\mathbb{N}\times\mathbb{N})\neq\beta(\mathbb{N})\times\beta(\mathbb{N})$?

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#general-topology #product-space #compactification
324
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If $f: X \to Y$, when do we have $\beta Y \supset \overline{f(X)} = \beta X$?

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#general-topology #compactness #compactification
5.4k
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Showing one point compactification is unique up to homeomorphism

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#general-topology #compactness #compactification
100
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toroidal compactifications of moduli spaces of ppav

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#algebraic-geometry #moduli-space #toric-geometry #compactification
725
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One-point compactification of $S_{\Omega}$ is homeomorphic with $\bar S_{\Omega}$.

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#general-topology #compactness #compactification
340
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Construction of the Čech-Stone compactification: why is $\iota$ an embedding?

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#general-topology #compactness #compactification
373
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Why we have extended complex plane?

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#real-analysis #complex-analysis #compactification

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