List questions from compactification

Published on 31 Dec 2023 - 18:33

104

Views

3-Point Compactification of $\mathbb{R}_{\geq 0} \times \mathbb{R}_{\geq 0}$

Published on 16 Jan 2024 - 12:38

135

Views

3-Point Compactification of $\mathbb{N} \times \mathbb{N}$

Published on 16 Jan 2024 - 16:59

100

Views

Stone–Čech Compactification always exists?

Published on 18 Jan 2024 - 18:05

80

Views

Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

Published on 22 Feb 2024 - 21:04

90

Views

When can a homotopy lift to its compactification?

Published on 11 Mar 2024 - 0:39

2.4k

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Is one-point compactification of a space metrizable

Published on 10 Feb 2016 - 17:18

149

Views

compactification of the irrationals with discrete remainder

Published on 10 Mar 2016 - 4:06

209

Views

Why is $\beta(\mathbb{N}\times\mathbb{N})\neq\beta(\mathbb{N})\times\beta(\mathbb{N})$?

Published on 30 May 2016 - 22:31

323

Views

If $f: X \to Y$, when do we have $\beta Y \supset \overline{f(X)} = \beta X$?

Published on 22 Apr 2013 - 21:02

5.4k

Views

Showing one point compactification is unique up to homeomorphism

Published on 22 Jun 2013 - 17:50

99

Views

toroidal compactifications of moduli spaces of ppav

Published on 25 Mar 2026 - 12:49

724

Views

One-point compactification of $S_{\Omega}$ is homeomorphic with $\bar S_{\Omega}$.

Published on 17 Apr 2017 - 6:32

339

Views

Construction of the Čech-Stone compactification: why is $\iota$ an embedding?

Published on 21 Apr 2017 - 1:02

372

Views

Why we have extended complex plane?

Published on 22 Apr 2017 - 11:23

List Question

One point (non-Hausdorff) compactification of compact space

3-Point Compactification of $\mathbb{R}_{\geq 0} \times \mathbb{R}_{\geq 0}$

3-Point Compactification of $\mathbb{N} \times \mathbb{N}$

Stone–Čech Compactification always exists?

Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

When can a homotopy lift to its compactification?

Is one-point compactification of a space metrizable

compactification of the irrationals with discrete remainder

Why is $\beta(\mathbb{N}\times\mathbb{N})\neq\beta(\mathbb{N})\times\beta(\mathbb{N})$?

If $f: X \to Y$, when do we have $\beta Y \supset \overline{f(X)} = \beta X$?

Showing one point compactification is unique up to homeomorphism

toroidal compactifications of moduli spaces of ppav

One-point compactification of $S_{\Omega}$ is homeomorphic with $\bar S_{\Omega}$.

Construction of the Čech-Stone compactification: why is $\iota$ an embedding?

Why we have extended complex plane?

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