Question

Proof that a product of two quasi-compact spaces is quasi-compact without Axiom of Choice

score 1.1k · Answer 1 · 2026-03-30 11:46:44

1.1k

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Proof that a product of two quasi-compact spaces is quasi-compact without Axiom of Choice

Published on 30 Mar 2026 - 11:46

score 271 · Answer 2 · 2014-04-13 11:42:44

271

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Stone-Čech compactification using ultrafilters

Published on 13 Apr 2014 - 11:42

score 102 · Answer 3 · 2026-03-24 23:29:23

102

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Finite-case symmetry leads to infinite-case asymmetry

Published on 24 Mar 2026 - 23:29

score 100 · Answer 4 · 2026-03-30 14:41:16

100

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Is the category of these particularly nice spaces cartesian closed?

Published on 30 Mar 2026 - 14:41

score 230 · Answer 5 · 2014-04-14 15:45:31

230

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$\beta \omega$ is zero dimensional and extremally disconnected

Published on 14 Apr 2014 - 15:45

score 124 · Answer 6 · 2014-04-15 10:33:22

124

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Define a compact and convex set through inequality constraints

Published on 15 Apr 2014 - 10:33

score 29 · Answer 7 · 2014-04-15 15:23:31

29

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Redefine a discrete compact set

Published on 15 Apr 2014 - 15:23

score 3.6k · Answer 8 · 2026-03-26 17:32:32

3.6k

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Let $p: E\to B$ be a covering map. If $B$ is compact and $p^{-1}(b)$ is finite, then $E$ is compact.

Published on 26 Mar 2026 - 17:32

score 877 · Answer 9 · 2014-04-15 18:37:58

877

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Compact and convex discrete set

Published on 15 Apr 2014 - 18:37

score 354 · Answer 10 · 2014-04-16 10:32:08

354

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Is sequence convergent in subspace of compact metric space?

Published on 16 Apr 2014 - 10:32

score 6.8k · Answer 11 · 2014-04-17 10:26:19

6.8k

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Properties of compact set: non-empty intersection of any system of closed subsets with finite intersection property

Published on 17 Apr 2014 - 10:26

score 184 · Answer 12 · 2026-03-25 09:32:03

184

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$\ f \colon X \to X $ ,continuous function where X is compact,Hausdorff space.Show $\exists A$ st $f(A) =A$.

Published on 25 Mar 2026 - 9:32

score 886 · Answer 13 · 2014-04-17 16:07:47

886

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Compact sets of real number

Published on 17 Apr 2014 - 16:07

score 1.1k · Answer 14 · 2026-03-26 09:38:43

1.1k

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SVD: proof of existence

Published on 26 Mar 2026 - 9:38

score 49 · Answer 15 · 2014-04-18 18:29:16

49

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More about compact.

Published on 18 Apr 2014 - 18:29

List Question

Proof that a product of two quasi-compact spaces is quasi-compact without Axiom of Choice

Stone-Čech compactification using ultrafilters

Finite-case symmetry leads to infinite-case asymmetry

Is the category of these particularly nice spaces cartesian closed?

$\beta \omega$ is zero dimensional and extremally disconnected

Define a compact and convex set through inequality constraints

Redefine a discrete compact set

Let $p: E\to B$ be a covering map. If $B$ is compact and $p^{-1}(b)$ is finite, then $E$ is compact.

Compact and convex discrete set

Is sequence convergent in subspace of compact metric space?

Properties of compact set: non-empty intersection of any system of closed subsets with finite intersection property

$\ f \colon X \to X $ ,continuous function where X is compact,Hausdorff space.Show $\exists A$ st $f(A) =A$.

Compact sets of real number

SVD: proof of existence

More about compact.

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