Question

Can a noncompact metric space have a maximal metrizable Hausdorff compactification?

score 90 · Answer 1 · 2026-05-11 00:28:20

90

Views

Can a noncompact metric space have a maximal metrizable Hausdorff compactification?

Published on 11 May 2026 - 0:28

score 371 · Answer 2 · 2026-05-13 19:44:03

371

Views

A two player game on compact topological spaces

Published on 13 May 2026 - 19:44

score 782 · Answer 3 · 2026-04-15 09:44:55

782

Views

Discuss compactness of the set of $L^2$ bounded functions

Published on 15 Apr 2026 - 9:44

score 42 · Answer 4 · 2026-04-14 04:19:42

42

Views

A concern on the definition of compactness in a metric space

Published on 14 Apr 2026 - 4:19

score 445 · Answer 5 · 2026-04-11 22:17:40

445

Views

Wallace's theorem on rectangular neighborhoods of compact rectangles

Published on 11 Apr 2026 - 22:17

score 98 · Answer 6 · 2026-04-13 13:44:44

98

Views

Show (F$_{k}$) converges uniformly to some continuous function

Published on 13 Apr 2026 - 13:44

score 352 · Answer 7 · 2026-04-14 02:26:22

352

Views

Intersection of two compact subsets in a Hausdorff space

Published on 14 Apr 2026 - 2:26

score 462 · Answer 8 · 2026-05-15 04:12:55

462

Views

Application of Ulam Lemma

Published on 15 May 2026 - 4:12

score 234 · Answer 9 · 2026-04-16 13:09:27

234

Views

If $Y$ is a Hausdorff space and $X$ which is a subspace of that space is limit point compact space . Then $X$ is closed.

Published on 16 Apr 2026 - 13:09

score 412 · Answer 10 · 2026-04-11 04:15:57

412

Views

Would not $Z \times Y$ be limit point compact set but not compact set?

Published on 11 Apr 2026 - 4:15

score 484 · Answer 11 · 2026-04-17 15:41:46

484

Views

Intersection of sequentially compact sets

Published on 17 Apr 2026 - 15:41

score 156 · Answer 12 · 2026-04-13 23:04:13

156

Views

A diifficulty in understanding a sentence in a paragraph in Guillemin and Pollack p.77

Published on 13 Apr 2026 - 23:04

score 89 · Answer 13 · 2026-05-14 07:15:44

89

Views

A cover of Locally connected space with certain compactness property

Published on 14 May 2026 - 7:15

score 763 · Answer 14 · 2026-04-16 10:39:18

763

Views

A sequence of rationals converging to an irrational point (proving that $\mathbb Q$ is not locally compact)

Published on 16 Apr 2026 - 10:39

score 353 · Answer 15 · 2026-05-13 19:24:35

353

Views

Given an averaging operator $A: l_p \rightarrow l_p$, why $A$ is not compact

Published on 13 May 2026 - 19:24

List Question

Can a noncompact metric space have a maximal metrizable Hausdorff compactification?

A two player game on compact topological spaces

Discuss compactness of the set of $L^2$ bounded functions

A concern on the definition of compactness in a metric space

Wallace's theorem on rectangular neighborhoods of compact rectangles

Show (F$_{k}$) converges uniformly to some continuous function

Intersection of two compact subsets in a Hausdorff space

Application of Ulam Lemma

If $Y$ is a Hausdorff space and $X$ which is a subspace of that space is limit point compact space . Then $X$ is closed.

Would not $Z \times Y$ be limit point compact set but not compact set?

Intersection of sequentially compact sets

A diifficulty in understanding a sentence in a paragraph in Guillemin and Pollack p.77

A cover of Locally connected space with certain compactness property

A sequence of rationals converging to an irrational point (proving that $\mathbb Q$ is not locally compact)

Given an averaging operator $A: l_p \rightarrow l_p$, why $A$ is not compact

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