The four color problem before 1890 Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/x346d809k

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  • This work contains a brief history of the four color problem from 1840 to 1890. This includes Kempe's attempted proof of the problem as well as maps which illustrate Heawood's discussion of Kempe's error. The remaining part is a discussion of Kempe's and Story's work on patching out maps. Story modified Kempe's original work to make the formulas more rigorous. Unfortunately, Story's work also relied upon Kempe's error and so is also in part incorrect.
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  • File scanned at 300 ppi using Capture Perfect 3.0 on a Canon DR-9050C in PDF format. CVista PdfCompressor 5.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Katy Davis(kdscannerosu@gmail.com) on 2014-05-05T17:58:24Z (GMT) No. of bitstreams: 1 WaldmanWilmerL1966.pdf: 304408 bytes, checksum: f42766eb992c9a9e47d903ada1db8fff (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-05-01T19:47:20Z (GMT) No. of bitstreams: 1 WaldmanWilmerL1966.pdf: 304408 bytes, checksum: f42766eb992c9a9e47d903ada1db8fff (MD5)
  • description.provenance : Submitted by Madison Medley (mmscannerosu@gmail.com) on 2014-05-01T19:21:52Z No. of bitstreams: 1 WaldmanWilmerL1966.pdf: 304408 bytes, checksum: f42766eb992c9a9e47d903ada1db8fff (MD5)
  • description.provenance : Made available in DSpace on 2014-05-05T17:58:24Z (GMT). No. of bitstreams: 1 WaldmanWilmerL1966.pdf: 304408 bytes, checksum: f42766eb992c9a9e47d903ada1db8fff (MD5) Previous issue date: 1965-11-05

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Last modified: 08/22/2017

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