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I've recently read that for planar maps, it is possible to color these in $O(N^2)$, $N$ being that number of vertices [1]. What are the computational complexities to get face colorings for maps on other compact surfaces?

[1] Neil Robertson, Daniel P. Sanders, Paul Seymour, and Robin Thomas. Efficiently four-coloring planar graphs. In Proc. 28th Symposium on Theory of Computing, pages 571-575. ACM, 1996.

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I presume you've already seen this? –  J. M. Nov 17 '11 at 9:47
    
Not yet. Great reference, thanks. –  draks ... Nov 17 '11 at 11:57

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