Discrete MathematicsVolume 229, Issues 1–3, 28 February 2001, Pages 171-184On the map theoremAuthor links open overlay panelLouis H. KauffmanShow moreShareCitehttps://doi.org/10.1016/S0012-365X(00)00207-7Get rights and contentUnder an Elsevier user licenseopen archiveAbstractThis paper is an introduction to the work of Spencer-Brown on the Four-Color Theorem.Previous article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2001 Elsevier Science B.V. All rights reserved.
