Question

Relation between neighbourhood local base and open local base

score 51 · Answer 1 · 2026-02-23 06:36:22

51

Views

Relation between neighbourhood local base and open local base

Published on 23 Feb 2026 - 6:36

score 24 · Answer 2 · 2026-02-23 06:38:43

24

Views

Neighborhood of a complete graph and k-critical Colouring

Published on 23 Feb 2026 - 6:38

score 36 · Answer 3 · 2026-02-23 06:36:21

36

Views

Open neighborhoods for diffeomorphism.

Published on 23 Feb 2026 - 6:36

score 32 · Answer 4 · 2026-02-23 06:41:00

32

Views

Is an open ball neighborhood equivalent to a set $V$ such as $p\in V°$ (modern definition of neighborhood) ? Stuck in the proof

Published on 23 Feb 2026 - 6:41

score 54 · Answer 5 · 2026-02-23 06:39:41

54

Views

Topology defined by all neighbourhood filters in topological vector space

Published on 23 Feb 2026 - 6:39

score 76 · Answer 6 · 2026-02-23 06:41:01

A neighborhood system induces a topology and in this topology the nborhood system of a point is the nborhood system we started from. Willard Stephen.

score 56 · Answer 7 · 2026-02-23 06:40:29

56

Views

Equivalence of two different formulations of neighborhood systems in a set

Published on 23 Feb 2026 - 6:40

score 31 · Answer 8 · 2026-02-23 06:38:05

31

Views

Restricting open neighborhood of submanifold

Published on 23 Feb 2026 - 6:38

score 97 · Answer 9 · 2026-02-23 06:37:55

97

Views

What exactly is the difference between a closed set and a set that is neither closed nor open?

Published on 23 Feb 2026 - 6:37

score 506 · Answer 10 · 2026-02-23 06:38:41

506

Views

What are some examples of open sets that are NOT neighborhoods?

Published on 23 Feb 2026 - 6:38

score 31 · Answer 11 · 2026-02-23 04:53:35

31

Views

Count neighbors at radius $r_m$

Published on 23 Feb 2026 - 4:53

score 125 · Answer 12 · 2026-02-23 06:40:51

125

Views

Let A and B be subsets of a topological space (X, τ). Prove that $\overline{A\cap B} \subseteq \overline{A} \cap \overline{B}$

Published on 23 Feb 2026 - 6:40

score 47 · Answer 13 · 2026-02-23 06:39:29

47

Views

Identifying Non-Analytic Regions for the Function $f(z) = \frac{1}{{z^2 + 5iz - 4}}$

Published on 23 Feb 2026 - 6:39

score 93 · Answer 14 · 2026-02-23 06:34:07

93

Views

Linear topology

Published on 23 Feb 2026 - 6:34

score 46 · Answer 15 · 2026-02-23 06:38:06

46

Views

Is this condition redundant (neighborhood filter for TVS in Trèves)?

Published on 23 Feb 2026 - 6:38

List Question

Relation between neighbourhood local base and open local base

Neighborhood of a complete graph and k-critical Colouring

Open neighborhoods for diffeomorphism.

Is an open ball neighborhood equivalent to a set $V$ such as $p\in V°$ (modern definition of neighborhood) ? Stuck in the proof

Topology defined by all neighbourhood filters in topological vector space

A neighborhood system induces a topology and in this topology the nborhood system of a point is the nborhood system we started from. Willard Stephen.

Equivalence of two different formulations of neighborhood systems in a set

Restricting open neighborhood of submanifold

What exactly is the difference between a closed set and a set that is neither closed nor open?

What are some examples of open sets that are NOT neighborhoods?

Count neighbors at radius $r_m$

Let A and B be subsets of a topological space (X, τ). Prove that $\overline{A\cap B} \subseteq \overline{A} \cap \overline{B}$

Identifying Non-Analytic Regions for the Function $f(z) = \frac{1}{{z^2 + 5iz - 4}}$

Linear topology

Is this condition redundant (neighborhood filter for TVS in Trèves)?

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