Index
alternating diagram , 6 9
alternating knot , 6 9
annulus, 4 3
Borromean rings , 7 3
boundary, 4 6
cell, 3 8
cell complex , 5 3
X, chi, 5 6
circuit, 7
closed path, 7
closed surface , 9 0
coloring
knot, 8 0
link, 8 2
component, 5 , 7 3
composite knot , 6 8
connected graph , 4 , 7
connected sum , 44, 6 8
knots, 6 8
surfaces, 4 4
Connors, Jimmy , 5
contractible loop , 3 2
covering graph , 9 3
crosscap, 9 1
crossing, 6 0
crossing elimination , 7 4
crossing number , 6 4
cube, 4 2
cyclic graph , 4 0
cylinder, 4 3
decagon, 5 4
digraph, 2 8
directed graph , see digrap h
disconnected graph , 4
disk, 4 3
dodecagon, 5 4
dodecahedron, 4 2
double o f a link, 7 4
double torus , 4 5
dual graph , 16
edge, 4
equivalent, 4 4
knot diagram , 6 0
surface, 5 0
Euler characteristic , 5 6
Euler circuit , 14
Euler path, 14
Euler's formul a
plane, 10
projective plane , 9 1
sphere, 3 7
torus, 38
Euler, Leonhard , 10, 2 7
pronunciation, 10
evil galacti c tyrant , 9 2
faces o f a graph, 11
family o f knots, 7 2
figure-8 knot , 6 5
flat torus , 3 5
four-color theorem , 2 0
galactic tyrant , 9 2
genus, 5 6
graph, 4, 5
coloring, 21
component, 5
connected, 4 , 7
covering, 9 3
cyclic, 4 0
99
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