Algorithms for coloring quadtrees

Marshall Wayne Bern, David Eppstein, and Brad Hutchings
Algorithmica 32(1):87–94, Jan 2002
ACM Computing Research Repository, cs.CG/9907030
Mathematical Reviews 2002h:68036

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Graphical representations and infinite virtual worlds in a logic and functional programming course

Fano Experimental Web Server, D. Eppstein, School of Information & Computer Science, UC Irvine