Suppose a tree graph T with $n\ge 4$ ,and 3 edges $e_1,e_2,e_3$ from its complement tree graph T-.Show that $G = T + e_1 + e_2 +e_3$ is a planar graph

score 447 · Answer 10 · 2023-06-27 16:07:09

447

Views

Minimum spanning tree contains edge of minimum weight

Published on 27 Jun 2023 - 16:07

score 812 · Answer 11 · 2023-06-28 11:16:46

812

Views

The country has $n$ cities and $n − 1$ bidirectional roads

Published on 28 Jun 2023 - 11:16

score 84 · Answer 12 · 2023-07-01 13:19:22

84

Views

Expected depth of a node in an arbitrary tree.

Published on 01 Jul 2023 - 13:19

score 59 · Answer 13 · 2026-03-25 10:58:35

59

Views

Action of braid groups on regular trees

Published on 25 Mar 2026 - 10:58

score 130 · Answer 14 · 2026-02-23 10:21:51

130

Views

Prove that columns of incidence matrix of tree are linearly independent

Published on 23 Feb 2026 - 10:21

score 174 · Answer 15 · 2026-03-26 06:20:30

174

Views

Can two non-isomorphic groups have the same Cayley graphs?

Published on 26 Mar 2026 - 6:20

List Question

Let T=(E,V) be a tree then for any nonempty subset $S\subset V$ of vertices the number of edges with both endpoints in S is less or equal to $|S|-1$

How to apply saddle-point estimates of large powers on the OGF of plane rooted trees?

How should I understand such recursive definition of rooted tree?

Finding minimum vertices for m-ary tree given i internal verticies.

How to compute the expected degree of the root of Cayley and Catalan trees?

Is the rank of a tree a natural number or $\omega$?

Is isomorphism between forests determined in linear time?

Representing the output of the Kruskal's minimal spanning tree algorithm as a tree data structure

Suppose a tree graph T with $n\ge 4$ ,and 3 edges $e_1,e_2,e_3$ from its complement tree graph T-.Show that $G = T + e_1 + e_2 +e_3$ is a planar graph

Minimum spanning tree contains edge of minimum weight

The country has $n$ cities and $n − 1$ bidirectional roads

Expected depth of a node in an arbitrary tree.

Action of braid groups on regular trees

Prove that columns of incidence matrix of tree are linearly independent

Can two non-isomorphic groups have the same Cayley graphs?

Trending Questions

Popular # Hahtags

Popular Questions