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1. Draw all non-isomorphic simple graphs with 5 vertices and 0, 1, 2, or 3 edges;...
1. Draw all non-isomorphic simple graphs with 5 vertices and 0, 1, 2, or 3 edges; the graphs need not be connected. Do not label the vertices of your graphs. You should not include two graphs that are isomorphic. 2. Give the matrix representation of the graph H shown below. 3. Question 3 on next page. Place work in this box. Continue on back if needed. D E F А B
Answer each question in the space provided below. 1. Draw all non-isomorphic free trees with five vertices. You should not include two trees that are isomorphic. 2. If a tree has n vertices, what is the maximum possible number of leaves? (Your answer should be an expression depending on the variable n. 3. Find a graph with the given set of properties or explain why no such graph can exist. The graphs do not need to be trees unless explicitly...
Draw all DIFFERENT (non-isomorphic) maximal planar graphs with Vertices: Vertices: Vertices:
17. (G2) Draw two non-isomorphic graphs with 4 vertices. Carefully explain how you know they are not isomorphic 17. (G2) Draw two non-isomorphic graphs with 4 vertices. Carefully explain how you know they are not isomorphic
1. [10 marks) Suppose a connected graph G has 10 vertices and 11 edges such that A(G) = 4 and 8(G) = 2. Let nd denote the number of vertices of degree d in G. (i) List all the possible triples (n2, N3, n4). (ii) For each triple (n2, n3, nd) in part (i), draw two non-isomorphic graphs G with n2 vertices of degree 2, në vertices of degree 3 and n4 vertices of degree 4. You need to explain...
solve with steps 1. (20 points) True or false. Justify. Every planar graph is 4-colorable /2 The number of edges in a simple graph G is bounded by n(n 1) where n is the number of vertices. The number of edges of a simple connected graph G is at least n-1 where n is the number of vertices. Two graphs are isomorphic if they have the same number of vertices and 1) the same mumber of edges 1. (20 points)...
A graph has 4 vertices of degrees 3, 3, 4, 4. (a) How many edges such a graph have? (b) Draw two non isomorphic such graphs. (c) Explain why there is no such simple graph
Find the smallest positive integer n such that there are non-isomorphic simple graphs on n vertices that have the same chromatic polynomial. Explain carefully why the n you give as your answer is indeed the smallest.
Discrete Mathematics 6: A: Draw a graph with 5 vertices and the requisite number of edges to show that if four of the vertices have degree 2, it would be impossible for the 5 vertex to have degree 1. Repetition of edges is not permitted. (There may not be two different bridges connecting the same pair of vertices.) B: Draw a graph with 4 vertices and determine the largest number of edges the graph can have, assuming repetition of edges...
1: EDGES OF THE BIPARTITE GRAPH Please select file(s) Select image(s) 2: 3-regular graphs 2.1: FOR WHAT N IS THERE A SIMPLE 3-REGULAR GRAPH WITH N VERTICES? Please select file(s) Select image(s) 2.2 Please select file(s) Select image(s) 2.3 Please select file(s) Select image(s) 3:2-regular and 3-regular graphs 3.1: EVERY TWO CONNECTED 2-REGULAR GRAPHS WITH THE SAME NUMBER OF VERTICES ARE ISOMORPHIC. Please select file(s) Select image(s) 3.2: TWO CONNECTED, SIMPLE, 3-REGULAR GRAPHS WITH 8 VERTICES. Please select file(s) Select...