Question

Epimorphisms of locally compact spaces

score 281 · Answer 1 · 2026-04-11 10:38:50

281

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Epimorphisms of locally compact spaces

Published on 11 Apr 2026 - 10:38

score 406 · Answer 2 · 2026-04-13 01:29:36

406

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Let $K_1 \supset K_2 \supset... $ be a sequence of connected compact subsets of $ \Bbb R^2 $. Is $ K = \cap_{i=1}^\infty K_i $ is connected?

Published on 13 Apr 2026 - 1:29

score 692 · Answer 3 · 2026-04-12 20:58:00

692

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Product of Compactly Generated and Locally Compact is Compactly Generated

Published on 12 Apr 2026 - 20:58

score 61 · Answer 4 · 2026-03-30 08:58:26

61

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Construction of a given neighbourhood in a locally compact group

Published on 30 Mar 2026 - 8:58

score 364 · Answer 5 · 2015-05-17 08:23:10

364

Views

Arbitrary intersection of closed compact sets is compact (Topology)

Published on 17 May 2015 - 8:23

score 339 · Answer 6 · 2026-04-12 22:17:09

339

Views

Prob. 7, Sec. 26 in Munkres' TOPOLOGY, 2nd ed: How is the projection onto the first factor closed if the second factor is compact?

Published on 12 Apr 2026 - 22:17

score 2.4k · Answer 7 · 2015-05-17 13:39:53

2.4k

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compactness of Hilbert cube

Published on 17 May 2015 - 13:39

score 145 · Answer 8 · 2026-04-11 18:01:43

145

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Compactness and directed systems of subspaces

Published on 11 Apr 2026 - 18:01

score 6.2k · Answer 9 · 2026-03-26 17:31:37

6.2k

Views

continuous image of a locally compact space is locally compact

Published on 26 Mar 2026 - 17:31

score 405 · Answer 10 · 2026-04-10 04:18:15

405

Views

core-compact but not locally compact

Published on 10 Apr 2026 - 4:18

score 45 · Answer 11 · 2015-05-18 08:43:21

45

Views

A confusion of a real analysis online lecture: Relative compactness

Published on 18 May 2015 - 8:43

score 1.5k · Answer 12 · 2026-04-12 11:54:59

1.5k

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When a sigma-finite space is a sigma-compact space?

Published on 12 Apr 2026 - 11:54

score 80 · Answer 13 · 2026-04-12 06:46:43

80

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What does compactness of $\mathbb R$ under one of these topologies imply about compactness under the other?

Published on 12 Apr 2026 - 6:46

score 2.3k · Answer 14 · 2026-04-12 04:52:36

2.3k

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Is there an example of a non compact operator whose square is compact?

Published on 12 Apr 2026 - 4:52

score 795 · Answer 15 · 2015-05-20 06:05:31

795

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Connection between one-point compactification of $\mathbb{R}$ and $S^1$

Published on 20 May 2015 - 6:05

List Question

Epimorphisms of locally compact spaces

Let $K_1 \supset K_2 \supset... $ be a sequence of connected compact subsets of $ \Bbb R^2 $. Is $ K = \cap_{i=1}^\infty K_i $ is connected?

Product of Compactly Generated and Locally Compact is Compactly Generated

Construction of a given neighbourhood in a locally compact group

Arbitrary intersection of closed compact sets is compact (Topology)

Prob. 7, Sec. 26 in Munkres' TOPOLOGY, 2nd ed: How is the projection onto the first factor closed if the second factor is compact?

compactness of Hilbert cube

Compactness and directed systems of subspaces

continuous image of a locally compact space is locally compact

core-compact but not locally compact

A confusion of a real analysis online lecture: Relative compactness

When a sigma-finite space is a sigma-compact space?

What does compactness of $\mathbb R$ under one of these topologies imply about compactness under the other?

Is there an example of a non compact operator whose square is compact?

Connection between one-point compactification of $\mathbb{R}$ and $S^1$

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