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» On corners of objects built from parallelepiped bricks
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CCCG
2004
13 years 6 months ago
On corners of objects built from parallelepiped bricks
We investigate a question initiated in the work of Sibley and Wagon, who proved that 3 colors suffice to color any collection of 2D parallelograms glued edge-to-edge. Their proof ...
Mirela Damian, Joseph O'Rourke
CCCG
2003
13 years 6 months ago
Coloring Objects Built From Bricks
We address a question posed by Sibley and Wagon. They proved that rhombic Penrose tilings in the plane can be 3colored, but a key lemma of their proof fails in the natural 3D gene...
Suzanne Gallagher, Joseph O'Rourke