Question

definition of $T_0$-space in Dshalalow’s book

score 51 · Answer 1 · 2017-11-30 13:36:41

51

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definition of $T_0$-space in Dshalalow’s book

Published on 30 Nov 2017 - 13:36

score 421 · Answer 2 · 2017-12-02 02:56:14

421

Views

Group action on a completely regular space

Published on 02 Dec 2017 - 2:56

score 94 · Answer 3 · 2017-12-07 21:41:58

94

Views

T2-Space and Accumulation Point

Published on 07 Dec 2017 - 21:41

score 178 · Answer 4 · 2017-12-09 11:23:36

178

Views

applications of topological spaces that are $T_1$, but are not $T_2$

Published on 09 Dec 2017 - 11:23

score 79 · Answer 5 · 2017-12-12 20:13:15

79

Views

A Topologic Space $(\mathbb R$,$\tau)$ is VACOUSLY normal but not regular

Published on 12 Dec 2017 - 20:13

score 156 · Answer 6 · 2017-12-21 15:11:06

156

Views

Attempting to find an unified treatment of the separation axioms

Published on 21 Dec 2017 - 15:11

score 7.6k · Answer 7 · 2017-12-29 09:53:57

7.6k

Views

How to prove a quotient space is again compact and Hausdorff

Published on 29 Dec 2017 - 9:53

score 141 · Answer 8 · 2017-12-29 16:58:50

141

Views

Counter Example for the union of any number of compact sets is compact in T2-spaces

Published on 29 Dec 2017 - 16:58

score 97 · Answer 9 · 2018-01-06 14:33:37

97

Views

A closed convex set in a separable normed space is an intersection of closed regions, defined by hyperplanes

Published on 06 Jan 2018 - 14:33

score 5.6k · Answer 10 · 2018-01-09 14:58:06

5.6k

Views

Closed Subspace of a Normal Topological Space is Normal

Published on 09 Jan 2018 - 14:58

score 1k · Answer 11 · 2010-10-01 11:50:04

1k

Views

Why is $T_1$ required for a topological space to be $T_4$?

Published on 01 Oct 2010 - 11:50

score 5.2k · Answer 12 · 2010-11-11 06:15:04

5.2k

Views

Does this property characterize a space as Hausdorff?

Published on 11 Nov 2010 - 6:15

score 2.3k · Answer 13 · 2010-11-17 00:59:01

2.3k

Views

A space is regular if each closed set $Z$ is the intersection of all open sets containing $Z$?

Published on 17 Nov 2010 - 0:59

score 625 · Answer 14 · 2010-11-24 01:48:44

625

Views

A topological space is regular if and only if any closed set $Z$ is the intersection of its closed neighborhoods?

Published on 24 Nov 2010 - 1:48

score 2.4k · Answer 15 · 2011-01-07 13:29:33

2.4k

Views

Are there any countable Hausdorff connected spaces?

Published on 07 Jan 2011 - 13:29

List Question

definition of $T_0$-space in Dshalalow’s book

Group action on a completely regular space

T2-Space and Accumulation Point

applications of topological spaces that are $T_1$, but are not $T_2$

A Topologic Space $(\mathbb R$,$\tau)$ is VACOUSLY normal but not regular

Attempting to find an unified treatment of the separation axioms

How to prove a quotient space is again compact and Hausdorff

Counter Example for the union of any number of compact sets is compact in T2-spaces

A closed convex set in a separable normed space is an intersection of closed regions, defined by hyperplanes

Closed Subspace of a Normal Topological Space is Normal

Why is $T_1$ required for a topological space to be $T_4$?

Does this property characterize a space as Hausdorff?

A space is regular if each closed set $Z$ is the intersection of all open sets containing $Z$?

A topological space is regular if and only if any closed set $Z$ is the intersection of its closed neighborhoods?

Are there any countable Hausdorff connected spaces?

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