Question

Alexandroff compactification: continuous function extension

score 545 · Answer 1 · 2026-03-19 17:01:32

545

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Alexandroff compactification: continuous function extension

Published on 19 Mar 2026 - 17:01

score 524 · Answer 2 · 2026-03-25 09:53:34

524

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Path connectedness of one point compactification

Published on 25 Mar 2026 - 9:53

score 123 · Answer 3 · 2026-03-25 01:27:24

123

Views

Calculation to show $|\mathrm{d}r|^2_{\bar g} = 1$ implies sectional curvatures tend to $-1$.

Published on 25 Mar 2026 - 1:27

score 397 · Answer 4 · 2018-06-10 19:03:11

397

Views

Čech-Stone compactification of extremally disconnected space

Published on 10 Jun 2018 - 19:03

score 66 · Answer 5 · 2018-06-14 12:09:46

66

Views

Why does $\lim_{n\to \infty} f(n) = 0$ imply that $\beta f=0$ on $\beta \mathbb{N}\setminus\mathbb{N}$

Published on 14 Jun 2018 - 12:09

score 314 · Answer 6 · 2018-06-26 17:10:29

314

Views

If $X$ admits a Hausdorff compactification, then $X$ is locally compact?

Published on 26 Jun 2018 - 17:10

score 248 · Answer 7 · 2026-03-23 01:18:00

248

Views

Distinguishing Two Compactifications of $[0,1)$

Published on 23 Mar 2026 - 1:18

score 49 · Answer 8 · 2018-07-16 09:05:21

49

Views

Rational cohomology of section spaces of one point compactification of tangent bundles over closed manifolds.

Published on 16 Jul 2018 - 9:05

score 396 · Answer 9 · 2018-07-31 03:37:38

396

Views

One-point compactification of disjoint union is homeomorphic to wedge sum of one-point compactifications

Published on 31 Jul 2018 - 3:37

score 192 · Answer 10 · 2018-08-04 16:32:10

192

Views

Is the diagonal of $X \times X$ closed in $\bar{X} \times \bar{X}$?

Published on 04 Aug 2018 - 16:32

score 329 · Answer 11 · 2018-08-06 16:25:17

329

Views

Show that $Cl_{\beta\mathbb{N}}\{0,2,4,...\}$ is open in $\beta\mathbb{N}$

Published on 06 Aug 2018 - 16:25

score 315 · Answer 12 · 2026-03-23 00:58:26

315

Views

Gelfand-Naimark theorem and compactifications

Published on 23 Mar 2026 - 0:58

score 253 · Answer 13 · 2026-03-25 06:06:18

253

Views

What is the Stone space of the free sigma-algebra on countably many generators

Published on 25 Mar 2026 - 6:06

score 292 · Answer 14 · 2018-09-04 16:18:03

292

Views

One-point compactification and the existence of a contractible open neighborhood of infinity

Published on 04 Sep 2018 - 16:18

score 886 · Answer 15 · 2018-09-11 13:05:18

886

Views

Does there exist a continuous bijection from real line onto the unit circle?

Published on 11 Sep 2018 - 13:05

List Question

Alexandroff compactification: continuous function extension

Path connectedness of one point compactification

Calculation to show $|\mathrm{d}r|^2_{\bar g} = 1$ implies sectional curvatures tend to $-1$.

Čech-Stone compactification of extremally disconnected space

Why does $\lim_{n\to \infty} f(n) = 0$ imply that $\beta f=0$ on $\beta \mathbb{N}\setminus\mathbb{N}$

If $X$ admits a Hausdorff compactification, then $X$ is locally compact?

Distinguishing Two Compactifications of $[0,1)$

Rational cohomology of section spaces of one point compactification of tangent bundles over closed manifolds.

One-point compactification of disjoint union is homeomorphic to wedge sum of one-point compactifications

Is the diagonal of $X \times X$ closed in $\bar{X} \times \bar{X}$?

Show that $Cl_{\beta\mathbb{N}}\{0,2,4,...\}$ is open in $\beta\mathbb{N}$

Gelfand-Naimark theorem and compactifications

What is the Stone space of the free sigma-algebra on countably many generators

One-point compactification and the existence of a contractible open neighborhood of infinity

Does there exist a continuous bijection from real line onto the unit circle?

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