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Graphical Designs on the Brouwer-Haemers Graph
Graph Info
Vertices
81
Edges
810
Regularity
10
Eigenspaces
3
Spectrum from low to high frequency:
0
,
(
-
1.35
)
20
,
(
-
.9
)
60
Design Info
k
-graphical design
k
=
2
Efficacy
9
21
Optimal
yes
Maximal
yes
Extremal
yes
1-Neighborhood is the graph
yes
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