indicate

named

characteristic

cover page
cabinets list

diamond figure

diamond-ness
commemorative figure adorn our starting point

cabinet
titles list

Peterson graph

non-hamiltonian,
any non-adjacent two points have a hamiltonian path

document title

Star of David

hamiltonian
pseudo Peterson Graph

contents index

odd points N dimension grid graph

non-hamiltonian
left mesh graph

forward

Kuratowski graph K3,3

any planar graph has no subgraph homeomorphic to K3,3

backward

Kuratowski graph K5

any planar graph has no subgraph homeomoophic to K5

end

dodecahedron

hamiltonian,
the problem raised by Sir. Hamilton