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SOFSEM
2004
Springer
13 years 9 months ago
Measures of Intrinsic Hardness for Constraint Satisfaction Problem Instances
Our aim is to investigate the factors which determine the intrinsic hardness of constructing a solution to any particular constraint satisfaction problem instance, regardless of th...
George Boukeas, Constantinos Halatsis, Vassilis Zi...
CISSE
2009
Springer
13 years 8 months ago
Unbiased Statistics of a Constraint Satisfaction Problem - a Controlled-Bias Generator
: We show that estimating the complexity (mean and distribution) of the instances of a fixed size Constraint Satisfaction Problem (CSP) can be very hard. We deal with the main two ...
Denis Berthier
CORR
2007
Springer
217views Education» more  CORR 2007»
13 years 4 months ago
Hard constraint satisfaction problems have hard gaps at location 1
An instance of the maximum constraint satisfaction problem (Max CSP) is a nite collection of constraints on a set of variables, and the goal is to assign values to the variables ...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
CSR
2007
Springer
13 years 10 months ago
Ruling Out Polynomial-Time Approximation Schemes for Hard Constraint Satisfaction Problems
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
SETN
2004
Springer
13 years 9 months ago
Inherent Choice in the Search Space of Constraint Satisfaction Problem Instances
Abstract. Constructive methods obtain solutions to constraint satisfaction problem instances by iteratively extending consistent partial assignments. In this research, we study the...
George Boukeas, Panagiotis Stamatopoulos, Constant...