Hamiltonian paths and cycles and cycle paths are named after William Rowan Hamilton who invented the icosian game , now also known as `` Hamilton 's puzzle '' , which involves finding a Hamiltonian cycle in the edge graph of the dodecahedron .
Hamiltonian paths and cycles and cycle paths are named after William Rowan Hamilton who invented the Icosian game . This game is also known as `` Hamilton 's puzzle '' .