Question

Elementary(?) measure theory.

score 258 · Answer 1 · 2026-04-14 04:23:31

258

Views

Elementary(?) measure theory.

Published on 14 Apr 2026 - 4:23

score 64 · Answer 2 · 2026-04-10 04:29:44

64

Views

Is this subset with conjugate columns of $GL_n(\mathbb C)$ connected?

Published on 10 Apr 2026 - 4:29

score 128 · Answer 3 · 2026-04-11 10:06:52

128

Views

Hausdorff space, equivalent statement

Published on 11 Apr 2026 - 10:06

score 107 · Answer 4 · 2026-04-10 08:52:20

107

Views

Reformulating the definition of compactness

Published on 10 Apr 2026 - 8:52

score 55 · Answer 5 · 2026-04-12 22:20:46

55

Views

The relation of type $A \subset V \subset \overline{V} \subset U$ in Banach space

Published on 12 Apr 2026 - 22:20

score 128 · Answer 6 · 2026-04-13 23:33:26

128

Views

Give a counterexample disproving: $Boundary(Closure(A)) = Boundary(A)$

Published on 13 Apr 2026 - 23:33

score 35 · Answer 7 · 2026-04-14 11:26:47

35

Views

Show absolute convergence of a series implies all of its rearrangement has the same limit.

Published on 14 Apr 2026 - 11:26

score 113 · Answer 8 · 2026-04-09 09:57:59

113

Views

Are compact subspaces of compact subspaces are compact subsubspaces?

Published on 09 Apr 2026 - 9:57

score 88 · Answer 9 · 2026-04-09 07:35:56

88

Views

Are connected subspaces of connected subspaces are connected subsubspaces?

Published on 09 Apr 2026 - 7:35

score 64 · Answer 10 · 2026-04-15 11:36:50

64

Views

Is sets being zero distance apart a topological property?

Published on 15 Apr 2026 - 11:36

score 2.2k · Answer 11 · 2026-04-10 22:23:00

2.2k

Views

Construct a continuous real valued function which takes zero on integers and such that image of function is not closed.

Published on 10 Apr 2026 - 22:23

score 192 · Answer 12 · 2026-04-15 20:47:04

192

Views

Show $A$ is compact subset of a metric space $(X,\mathscr T, d)$ only if for all $x \in X$, $d(x,A)=d(x,a)$ for some $a \in A$.

Published on 15 Apr 2026 - 20:47

score 430 · Answer 13 · 2026-04-14 07:22:55

430

Views

Showing a function is discontinuous using open sets

Published on 14 Apr 2026 - 7:22

score 205 · Answer 14 · 2026-04-14 07:17:41

205

Views

Show that a prime closed filter is not always a closed ultrafilter

Published on 14 Apr 2026 - 7:17

score 142 · Answer 15 · 2026-04-14 07:23:09

142

Views

Details in proving that the image of a dense subset of a domain is itself dense in the range

Published on 14 Apr 2026 - 7:23

List Question

Elementary(?) measure theory.

Is this subset with conjugate columns of $GL_n(\mathbb C)$ connected?

Hausdorff space, equivalent statement

Reformulating the definition of compactness

The relation of type $A \subset V \subset \overline{V} \subset U$ in Banach space

Give a counterexample disproving: $Boundary(Closure(A)) = Boundary(A)$

Show absolute convergence of a series implies all of its rearrangement has the same limit.

Are compact subspaces of compact subspaces are compact subsubspaces?

Are connected subspaces of connected subspaces are connected subsubspaces?

Is sets being zero distance apart a topological property?

Construct a continuous real valued function which takes zero on integers and such that image of function is not closed.

Show $A$ is compact subset of a metric space $(X,\mathscr T, d)$ only if for all $x \in X$, $d(x,A)=d(x,a)$ for some $a \in A$.

Showing a function is discontinuous using open sets

Show that a prime closed filter is not always a closed ultrafilter

Details in proving that the image of a dense subset of a domain is itself dense in the range

Trending Questions

Popular # Hahtags

Popular Questions