Question

Two Klein Bottles Sewn Together?

score 699 · Answer 1 · 2026-04-15 11:49:10

699

Views

Two Klein Bottles Sewn Together?

Published on 15 Apr 2026 - 11:49

score 104 · Answer 2 · 2026-04-13 20:52:36

104

Views

If a product of topological spaces is metrizable is it true that every topological space that constitutes the product is metrizable?

Published on 13 Apr 2026 - 20:52

score 74 · Answer 3 · 2026-04-12 17:39:09

74

Views

Are quotients of topological categories also topological categories?

Published on 12 Apr 2026 - 17:39

score 50 · Answer 4 · 2026-04-17 14:57:39

50

Views

There exists a point $y_0 \in A $ with $d(y_0,x) = d(x,A)$ if choose the correct option

Published on 17 Apr 2026 - 14:57

score 387 · Answer 5 · 2026-04-14 08:50:16

387

Views

Are a sphere cross a circle ($S^2 \times S$) and the 3-dimensional projective ($\textbf{RP(3)}$) space homeomorphic?

Published on 14 Apr 2026 - 8:50

score 169 · Answer 6 · 2026-04-17 09:36:24

169

Views

$\mathbb{Q}$ with the metric $d(p,q) = |p-q|$

Published on 17 Apr 2026 - 9:36

score 172 · Answer 7 · 2026-04-16 14:32:13

172

Views

Prove that $G$ is an open interval for two-valued continuous function $f$

Published on 16 Apr 2026 - 14:32

score 85 · Answer 8 · 2026-04-15 22:46:49

85

Views

Is this set meager? $A = \{x\in \mathbb{R}: \exists c>0, |x-j2^{-k}|\geq c2^{-k}, \forall j\in \mathbb{Z}, k\geq 0 \}$

Published on 15 Apr 2026 - 22:46

score 42 · Answer 9 · 2026-04-14 15:31:26

42

Views

Proving order topology is normal without going through complete-normality

Published on 14 Apr 2026 - 15:31

score 297 · Answer 10 · 2026-04-15 10:24:58

297

Views

The space of piecewise continuous sawtooth functions with arbitrarily large slope is dense in $\mathcal{C}([0,1])$?

Published on 15 Apr 2026 - 10:24

score 72 · Answer 11 · 2026-04-12 05:57:26

72

Views

Monotone function that is everywhere continuous except in $x \in \Delta$

Published on 12 Apr 2026 - 5:57

score 58 · Answer 12 · 2026-04-09 20:11:50

58

Views

Set of continous functions writable as cartesian product

Published on 09 Apr 2026 - 20:11

score 149 · Answer 13 · 2026-04-16 19:40:23

149

Views

A graph (G) is only connected as a topological if G is connected as a graph.

Published on 16 Apr 2026 - 19:40

score 370 · Answer 14 · 2026-04-23 07:43:12

370

Views

A two player game on compact topological spaces

Published on 23 Apr 2026 - 7:43

score 92 · Answer 15 · 2026-04-11 17:13:39

92

Views

$N$ should not be complete!!

Published on 11 Apr 2026 - 17:13

List Question

Two Klein Bottles Sewn Together?

If a product of topological spaces is metrizable is it true that every topological space that constitutes the product is metrizable?

Are quotients of topological categories also topological categories?

There exists a point $y_0 \in A $ with $d(y_0,x) = d(x,A)$ if choose the correct option

Are a sphere cross a circle ($S^2 \times S$) and the 3-dimensional projective ($\textbf{RP(3)}$) space homeomorphic?

$\mathbb{Q}$ with the metric $d(p,q) = |p-q|$

Prove that $G$ is an open interval for two-valued continuous function $f$

Is this set meager? $A = \{x\in \mathbb{R}: \exists c>0, |x-j2^{-k}|\geq c2^{-k}, \forall j\in \mathbb{Z}, k\geq 0 \}$

Proving order topology is normal without going through complete-normality

The space of piecewise continuous sawtooth functions with arbitrarily large slope is dense in $\mathcal{C}([0,1])$?

Monotone function that is everywhere continuous except in $x \in \Delta$

Set of continous functions writable as cartesian product

A graph (G) is only connected as a topological if G is connected as a graph.

A two player game on compact topological spaces

$N$ should not be complete!!

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