Hamiltonian Paths in Projective Checkerboards

Abstract

Place a checker in some square of an n n checkerboard. The checker is allowed to step either to the east or to the north, and is allowed to step oo the edge of the board in a manner suggested by the usual identiication of the edges of the square to form a projective plane. We give an explicit description of all the routes that can be taken by the checker to… (More)

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