Sciweavers

37 search results - page 1 / 8
» Hardness of Approximate Hypergraph Coloring
Sort
View
FOCS
2000
IEEE
15 years 4 months ago
Hardness of Approximate Hypergraph Coloring
Venkatesan Guruswami, Johan Håstad, Madhu Su...
FOCS
2002
IEEE
15 years 4 months ago
The Hardness of 3 - Uniform Hypergraph Coloring
We prove that coloring a 3-uniform 2-colorable hypergraph with c colors is NP-hard for any constant c. The best known algorithm [20] colors such a graph using O(n1/5 ) colors. Our...
Irit Dinur, Oded Regev, Clifford D. Smyth
IANDC
2007
123views more  IANDC 2007»
14 years 11 months ago
Hardness of fully dense problems
In the past decade, there has been a stream of work in designing approximation schemes for dense instances of NP-Hard problems. These include the work of Arora, Karger and Karpins...
Nir Ailon, Noga Alon
WAOA
2004
Springer
141views Algorithms» more  WAOA 2004»
15 years 5 months ago
Strong Colorings of Hypergraphs
Abstract. A strong vertex coloring of a hypergraph assigns distinct colors to vertices that are contained in a common hyperedge. This captures many previously studied graph colorin...
Geir Agnarsson, Magnús M. Halldórsso...
SODA
2001
ACM
108views Algorithms» more  SODA 2001»
15 years 1 months ago
Approximating coloring and maximum independent sets in 3-uniform hypergraphs
Michael Krivelevich, Ram Nathaniel, Benny Sudakov