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Three-pencil lattices on triangulations

✍ Scribed by Gašper Jaklič; Jernej Kozak; Marjeta Krajnc; Vito Vitrih; Emil Žagar

Book ID
106487754
Publisher
Springer US
Year
2007
Tongue
English
Weight
314 KB
Volume
45
Category
Article
ISSN
1017-1398

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Three Moves on Signed Surface Triangulat
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✍ Shalom Eliahou; Sylvain Gravier; Charles Payan 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 206 KB

We consider finite triangulations of surfaces with signs attached to the faces. Such a signed triangulation is said to have the Heawood property if, at every vertex x, the sum of the signs of the faces incident to x is divisible by 3. For a triangulation G of the sphere, Heawood signings are essenti