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MFCS
2004
Springer
14 years 1 months ago
Polynomial Time Approximation Schemes and Parameterized Complexity
Jianer Chen, Xiuzhen Huang, Iyad A. Kanj, Ge Xia
FOCS
2007
IEEE
14 years 2 months ago
On the Optimality of Planar and Geometric Approximation Schemes
We show for several planar and geometric problems that the best known approximation schemes are essentially optimal with respect to the dependence on ǫ. For example, we show that...
Dániel Marx
ESA
1999
Springer
148views Algorithms» more  ESA 1999»
14 years 2 days ago
Approximation Schemes for Scheduling on Uniformly Related and Identical Parallel Machines
We give a polynomial approximation scheme for the problem of scheduling on uniformly related parallel machines for a large class of objective functions that depend only on the mac...
Leah Epstein, Jiri Sgall
DAM
2006
78views more  DAM 2006»
13 years 7 months ago
Hybrid rounding techniques for knapsack problems
We address the classical knapsack problem and a variant in which an upper bound is imposed on the number of items that can be selected. We show that appropriate combinations of ro...
Monaldo Mastrolilli, Marcus Hutter