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EOR
2002
79views more  EOR 2002»
13 years 7 months ago
Fast fully polynomial approximation schemes for minimizing completion time variance
Abstract. We present fully polynomial approximation schemes for the problem of minimizing completion time variance of a set of n jobs on a single machine. The fastest of these sche...
Wieslaw Kubiak, Jinliang Cheng, Mikhail Y. Kovalyo...
COMPSAC
2004
IEEE
13 years 11 months ago
On the Complexity of Finding Emerging Patterns
Emerging patterns have been studied as a useful type of pattern for the diagnosis and understanding of diseases based on the analysis of gene expression profiles. They are useful ...
Lusheng Wang, Hao Zhao, Guozhu Dong, Jianping Li
IPL
2006
70views more  IPL 2006»
13 years 7 months ago
A polynomial time approximation scheme for embedding a directed hypergraph on a ring
We study the problem of embedding a directed hypergraph on a ring that has applications in optical network communications. The undirected version (MCHEC) has been extensively stud...
Kang Li, Lusheng Wang
COCOA
2008
Springer
13 years 9 months ago
Polynomial Time Approximation Scheme for Connected Vertex Cover in Unit Disk Graph
Connected Vertex Cover Problem (CVC) is an NP-hard problem. The currently best known approximation algorithm for CVC has performance ration 2. This paper gives the first Polynomial...
Zhao Zhang, Xiaofeng Gao, Weili Wu
IPCO
2008
129views Optimization» more  IPCO 2008»
13 years 8 months ago
A Polynomial Time Approximation Scheme for the Square Packing Problem
Given a set Q of squares with positive pro ts, the square packing problem is to select and pack a subset of squares of maximum pro t into a rectangular bin R. We present a polynomi...
Klaus Jansen, Roberto Solis-Oba