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MFCS
2004
Springer
15 years 7 months ago
Polynomial Time Approximation Schemes and Parameterized Complexity
Jianer Chen, Xiuzhen Huang, Iyad A. Kanj, Ge Xia
MST
2007
167views more  MST 2007»
15 years 1 months ago
The Complexity of Polynomial-Time Approximation
In 1996, Khanna and Motwani [KM96] proposed three logic-based optimization problems constrained by planar structure, and offered the hypothesis that these putatively fundamental ...
Liming Cai, Michael R. Fellows, David W. Juedes, F...
TAMC
2009
Springer
15 years 9 months ago
On Parameterized Exponential Time Complexity
In this paper we define the notion of an f(k)-uniform parameterized exponential time scheme. We show that a problem can be solved in parameterized O(2o(f(k)) p(n)) time if and on...
Jianer Chen, Iyad A. Kanj, Ge Xia
CORR
2008
Springer
108views Education» more  CORR 2008»
15 years 2 months ago
Approximability and parameterized complexity of minmax values
Abstract. We consider approximating the minmax value of a multiplayer game in strategic form. Tightening recent bounds by Borgs et al., we observe that approximating the value with...
Kristoffer Arnsfelt Hansen, Thomas Dueholm Hansen,...
CSR
2007
Springer
15 years 8 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