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IPL
2006
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IPL 2006
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On computing the smallest four-coloring of planar graphs and non-self-reducible sets in P
13 years 11 months ago
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ccc.cs.uni-duesseldorf.de
We show that computing the lexicographically first four-coloring for planar graphs is p 2hard. This result optimally improves upon a result of Khuller and Vazirani who prove this ...
André Große, Jörg Rothe, Gerd We...
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