Question

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

score 89 · Answer 1 · 2026-03-26 01:06:17

89

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

Published on 26 Mar 2026 - 1:06

score 365 · Answer 2 · 2026-03-25 12:45:39

365

Views

A two player game on compact topological spaces

Published on 25 Mar 2026 - 12:45

score 780 · Answer 3 · 2026-03-28 09:50:18

780

Views

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

Published on 28 Mar 2026 - 9:50

score 40 · Answer 4 · 2026-03-28 17:25:49

40

Views

A concern on the definition of compactness in a metric space

Published on 28 Mar 2026 - 17:25

score 442 · Answer 5 · 2018-12-03 22:48:29

442

Views

Wallace's theorem on rectangular neighborhoods of compact rectangles

Published on 03 Dec 2018 - 22:48

score 97 · Answer 6 · 2026-03-25 20:34:22

97

Views

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

Published on 25 Mar 2026 - 20:34

score 349 · Answer 7 · 2018-12-05 04:09:31

349

Views

Intersection of two compact subsets in a Hausdorff space

Published on 05 Dec 2018 - 4:09

score 458 · Answer 8 · 2018-12-05 18:14:41

458

Views

Application of Ulam Lemma

Published on 05 Dec 2018 - 18:14

score 231 · Answer 9 · 2018-12-06 05:45:59

231

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 06 Dec 2018 - 5:45

score 409 · Answer 10 · 2018-12-06 05:57:31

409

Views

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

Published on 06 Dec 2018 - 5:57

score 479 · Answer 11 · 2018-12-06 20:57:22

479

Views

Intersection of sequentially compact sets

Published on 06 Dec 2018 - 20:57

score 154 · Answer 12 · 2026-03-29 05:58:46

154

Views

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

Published on 29 Mar 2026 - 5:58

score 81 · Answer 13 · 2026-03-25 22:45:28

81

Views

A cover of Locally connected space with certain compactness property

Published on 25 Mar 2026 - 22:45

score 760 · Answer 14 · 2018-12-09 04:00:02

760

Views

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

Published on 09 Dec 2018 - 4:00

score 350 · Answer 15 · 2026-03-25 16:01:25

350

Views

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

Published on 25 Mar 2026 - 16:01

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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