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CPM
2009
Springer
127views Combinatorics» more  CPM 2009»
15 years 4 months ago
Deconstructing Intractability: A Case Study for Interval Constrained Coloring
The NP-hard Interval Constrained Coloring problem appears in the interpretation of experimental data in biochemistry dealing with protein fragments. Given a set of m integer interv...
Christian Komusiewicz, Rolf Niedermeier, Johannes ...
ISAAC
2005
Springer
127views Algorithms» more  ISAAC 2005»
15 years 3 months ago
On Complexity and Approximability of the Labeled Maximum/Perfect Matching Problems
In this paper, we deal with both the complexity and the approximability of the labeled perfect matching problem in bipartite graphs. Given a simple graph G = (V, E) with n vertices...
Jérôme Monnot
DATE
1997
IEEE
80views Hardware» more  DATE 1997»
15 years 1 months ago
Hybrid symbolic-explicit techniques for the graph coloring problem
This paper presents an algorithmic technique based on hybridizing Symbolic Manipulation Techniques based on BDDs with more traditional Explicit solving algorithms. To validate the...
Silvia Chiusano, Fulvio Corno, Paolo Prinetto, Mat...
JUCS
2006
94views more  JUCS 2006»
14 years 9 months ago
Completeness in the Boolean Hierarchy: Exact-Four-Colorability, Minimal Graph Uncolorability, and Exact Domatic Number Problems
: This paper surveys some of the work that was inspired by Wagner's general technique to prove completeness in the levels of the boolean hierarchy over NP and some related res...
Tobias Riege, Jörg Rothe
ANOR
2005
72views more  ANOR 2005»
14 years 9 months ago
An Unconstrained Quadratic Binary Programming Approach to the Vertex Coloring Problem
: The vertex coloring problem has been the subject of extensive research for many years. Driven by application potential as well as computational challenge, a variety of methods ha...
Gary A. Kochenberger, Fred Glover, Bahram Alidaee,...