Question

Is the set $\{2,3,5\}$ connected?

score 131 · Answer 1 · 2018-11-28 22:50:55

131

Views

Is the set $\{2,3,5\}$ connected?

Published on 28 Nov 2018 - 22:50

score 199 · Answer 2 · 2018-11-30 04:53:40

199

Views

Maximum possible connected component by removing hyperplanes form $\mathbb R^3$

Published on 30 Nov 2018 - 4:53

score 47 · Answer 3 · 2026-03-25 12:15:29

47

Views

Reduction of Steiner Tree to Maximum Weight Connected Subgraph

Published on 25 Mar 2026 - 12:15

score 146 · Answer 4 · 2018-12-01 12:34:39

146

Views

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

Published on 01 Dec 2018 - 12:34

score 534 · Answer 5 · 2026-03-25 07:43:41

534

Views

What is the maximum connectivity of a planar graph?

Published on 25 Mar 2026 - 7:43

score 2.3k · Answer 6 · 2026-03-25 12:46:20

2.3k

Views

Can an undirected graph be disconnected?

Published on 25 Mar 2026 - 12:46

score 162 · Answer 7 · 2018-12-05 03:39:34

162

Views

Showing a subset of $\mathbb{C}$ is simply connected via homotopy

Published on 05 Dec 2018 - 3:39

score 59 · Answer 8 · 2018-12-05 10:55:00

59

Views

Does exist a compact connected $K' \subset U$ such that $K \subset K'$, if $U$ is an open connected and $K$ in $U$ a compact?

Published on 05 Dec 2018 - 10:55

score 577 · Answer 9 · 2026-03-25 07:45:49

577

Views

A connected maximal graph $G$ with no cycles of length at least $k+1$ has $|V(G)| \leq k$ or has a cut-vertex when $k \geq 2$

Published on 25 Mar 2026 - 7:45

score 85 · Answer 10 · 2018-12-07 19:06:14

85

Views

Is it possible to represent an open and connected set in $(\mathbb{R}^n,||\cdot||)$ as the finite union of convex sets?

Published on 07 Dec 2018 - 19:06

score 49 · Answer 11 · 2026-03-27 21:43:03

49

Views

Counterexamples about function discontinuity.

Published on 27 Mar 2026 - 21:43

score 81 · Answer 12 · 2026-03-25 22:45:28

81

Views

A cover of Locally connected space with certain compactness property

Published on 25 Mar 2026 - 22:45

score 351 · Answer 13 · 2018-12-08 11:34:49

351

Views

Why is my proof that $\mathbb R$ is disconnected wrong?

Published on 08 Dec 2018 - 11:34

score 360 · Answer 14 · 2026-03-26 05:56:25

360

Views

Infinite "connected" graphs and spanning trees

Published on 26 Mar 2026 - 5:56

score 177 · Answer 15 · 2018-12-09 06:35:13

177

Views

Interesting Graph Problem?

Published on 09 Dec 2018 - 6:35

List Question

Is the set $\{2,3,5\}$ connected?

Maximum possible connected component by removing hyperplanes form $\mathbb R^3$

Reduction of Steiner Tree to Maximum Weight Connected Subgraph

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

What is the maximum connectivity of a planar graph?

Can an undirected graph be disconnected?

Showing a subset of $\mathbb{C}$ is simply connected via homotopy

Does exist a compact connected $K' \subset U$ such that $K \subset K'$, if $U$ is an open connected and $K$ in $U$ a compact?

A connected maximal graph $G$ with no cycles of length at least $k+1$ has $|V(G)| \leq k$ or has a cut-vertex when $k \geq 2$

Is it possible to represent an open and connected set in $(\mathbb{R}^n,||\cdot||)$ as the finite union of convex sets?

Counterexamples about function discontinuity.

A cover of Locally connected space with certain compactness property

Why is my proof that $\mathbb R$ is disconnected wrong?

Infinite "connected" graphs and spanning trees

Interesting Graph Problem?

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