Salem Numbers and Growth Series of Some Hyperbolic Graphs
โ Scribed by Laurent Barthold; Tullio G. Ceccherini-Silberstein
- Book ID
- 110332071
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 107 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0046-5755
No coin nor oath required. For personal study only.
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The concept of the star chromatic number of a graph was introduced by Vince (A. Vince, Star chromatic number, J. Graph Theory 12 (1988), 551--559), which is a natural generalization of the chromatic number of a graph. This paper calculates the star chromatic numbers of three infinite families of pla
## Abstract The vertex set of the reduced Kneser graph KG~2~(__m,2__) consists of all pairs {__a,b__} such that __a, b__ฮต{1,2,โฆ,__m__} and 2โค|__a__โ__b__|โค__m__โ2. Two vertices are defined to be adjacent if they are disjoint. We prove that, if __m__โฅ4 __and m__โ 5, then the circular chromatic number