Triangulations on closed surfaces which quadrangulate other surfaces II
β Scribed by Yusuke Suzuki
- Book ID
- 108113528
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 164 KB
- Volume
- 303
- Category
- Article
- ISSN
- 0012-365X
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## Abstract It has been shown that every quadrangulation on any nonspherical orientable closed surface with a sufficiently large representativity has chromatic number at most 3. In this paper, we show that a quadrangulation __G__ on a nonorientable closed surface __N~k~__ has chromatic number at le
Consider a class P of triangulations on a closed surface F 2 , closed under vertex splitting. We shall show that any two triangulations with the same and sufficiently large number of vertices which belong to P can be transformed into each other, up to homeomorphism, by a finite sequence of diagonal