首页 | 本学科首页   官方微博 | 高级检索  
     


Grünbaum colorings of toroidal triangulations
Authors:Michael O. Albertson  Hannah Alpert  sarah‐marie belcastro  Ruth Haas
Affiliation:1. Department of Mathematics and Statistics, Smith College, Northampton, Massachusetts 01063;2. Department of Mathematics, University of Chicago, 5734 S. University Avenue, Chicago, Illinois 60637
Abstract:We prove that if G is a triangulation of the torus and χ(G)≠5, then there is a 3‐coloring of the edges of G so that the edges bounding every face are assigned three different colors. © 2009 Wiley Periodicals, Inc. J Graph Theory 63: 68–81, 2010
Keywords:embedding  edge coloring  Grü  nbaum coloring  Grü  nbaum conjecture  triangulation
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号