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» The chromatic numbers of random hypergraphs
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80
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RSA
1998
105views more  RSA 1998»
15 years 23 days ago
The chromatic numbers of random hypergraphs
: For a pair of integers 1F␥-r, the ␥-chromatic number of an r-uniform Ž .hypergraph Hs V, E is the minimal k, for which there exists a partition of V into subsets < <T ...
Michael Krivelevich, Benny Sudakov
127
Voted
ARSCOM
2004
175views more  ARSCOM 2004»
15 years 1 months ago
Circular Chromatic Number of Hypergraphs
The concept of circular chromatic number of graphs was introduced by Vince(1988). In this paper we define circular chromatic number of uniform hypergraphs and study their basic pr...
Changiz Eslahchi, Arash Rafiey
117
Voted
ARSCOM
2006
132views more  ARSCOM 2006»
15 years 1 months ago
C-Perfect K-Uniform Hypergraphs
In this paper we define the concept of clique number of uniform hypergraph and study its relationship with circular chromatic number and clique number. For every positive integer ...
Changiz Eslahchi, Arash Rafiey
150
Voted
APAL
2011
14 years 8 months ago
Dichotomy theorems for countably infinite dimensional analytic hypergraphs
Abstract. We give classical proofs, strengthenings, and generalizations of Lecomte’s characterizations of analytic ω-dimensional hypergraphs with countable Borel chromatic numbe...
Benjamin D. Miller
82
Voted
JCT
2007
96views more  JCT 2007»
15 years 1 months ago
On the chromatic number and independence number of hypergraph products
Dhruv Mubayi, Vojtech Rödl