Uniqueness of colorability and colorability of planar 4-regular graphs are NP-complete. (English) Zbl 0448.05030


05C15 Coloring of graphs and hypergraphs
68Q25 Analysis of algorithms and problem complexity
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[1] Dailey, D.P., Graph coloring by humans and machines, ()
[2] Cook, S.A., The complexity of theorem-proving procedures, () · Zbl 0363.68125
[3] Karp, R.M., Reducibility among combinatorial problems, () · Zbl 0366.68041
[4] Garey, M.R.; Johnson, D.S.; Stockmeyer, L., Some simplified NP-complete graph problems, Theoretical computer science, 1, 237-267, (1976) · Zbl 0338.05120
[5] Aho, A.V.; Hopcroft, J.E.; Ullman, J.D., The design and analysis of computer algorithms, (1974), Addison-Wesley Reading, MA, Chapter 10 · Zbl 0286.68029
[6] Garey, M.R.; Johnson, D.S., Computers and intractability: A guide to the theory of NP-completeness, (1979), Freeman San Francisco · Zbl 0411.68039
[7] Stockmeyer, L., Planar 3-colorability is polynomial complete, SIGACT news, 19-25, (1973)
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