Consider the two following graphs and denote the upper graph as G and the lower graph as H. Answer the following questions. a) Are G and H isomorphic? Why? b) What is the chromatic number of G? Why? c) Show that H is bipartite. u3

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3.
Consider the two following graphs and denote the upper graph as G and the lower graph as H. Answer the
U6
following questions.
a) Are G and H isomorphic? Why?
b) What is the chromatic number of G? Why?
c) Show that H is bipartite.
d) Does H contain a complete matching? Why?
U 1
u2
U3
U4
U5
e) Consider G as a planar representation of a planar graph. Label regions in
G, and find degree of each region in G.
Ug
U 10
V6
V7
V1
V2
V3
V4
V5
V8
V9
V10
Transcribed Image Text:3. Consider the two following graphs and denote the upper graph as G and the lower graph as H. Answer the U6 following questions. a) Are G and H isomorphic? Why? b) What is the chromatic number of G? Why? c) Show that H is bipartite. d) Does H contain a complete matching? Why? U 1 u2 U3 U4 U5 e) Consider G as a planar representation of a planar graph. Label regions in G, and find degree of each region in G. Ug U 10 V6 V7 V1 V2 V3 V4 V5 V8 V9 V10
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