Hamilton Cycles in Planar Graphs and Ven
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Kiran B. Chilakamarri; Peter Hamburger; Raymond E. Pippert
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Article
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1996
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Elsevier Science
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English
β 258 KB
Using graph theory, we prove Gru nbaum's conjecture: Every Venn diagram of n curves can be extended to a Venn diagram of n+1 curves by the addition of a suitable simple closed curve.