Chromatic uniqueness and equivalence of
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Earl Glen Whitehead Jr.; Lian-Chang Zhao
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Article
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1984
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John Wiley and Sons
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English
β 330 KB
## Abstract We derive a new formula for the chromatic polynomial of any __K__~4~ homeomorph. We obtain a large family of chromatically unique __K__~4~ homeomorphs. We obtain seven infinite pairs of chromatically equivalent nonisomorphic __K__~4~ homeomorphs.