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» New Lower Bounds for Heilbronn Numbers
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STOC
1999
ACM
101views Algorithms» more  STOC 1999»
13 years 11 months ago
Short Proofs are Narrow - Resolution Made Simple
The width of a Resolution proof is defined to be the maximal number of literals in any clause of the proof. In this paper, we relate proof width to proof length (ϭsize), in both g...
Eli Ben-Sasson, Avi Wigderson
EOR
2007
82views more  EOR 2007»
13 years 7 months ago
Minimizing makespan with multiple-orders-per-job in a two-machine flowshop
: New semiconductor wafer fabrication facilities use Front Opening Unified Pods (FOUPs) as a common unit of wafer transfer. Since the number of pods is limited due to high costs, a...
Jeffrey D. Laub, John W. Fowler, Ahmet B. Keha
ICCAD
1995
IEEE
90views Hardware» more  ICCAD 1995»
13 years 11 months ago
An optimal algorithm for area minimization of slicing floorplans
The traditional algorithm of Stockmeyer for area minimization of slicing oorplans has time (and space) complexity O(n2 ) in the worst case, or O(nlogn) for balanced slicing. For ...
Weiping Shi
SODA
2003
ACM
133views Algorithms» more  SODA 2003»
13 years 8 months ago
Integrality ratio for group Steiner trees and directed steiner trees
The natural relaxation for the Group Steiner Tree problem, as well as for its generalization, the Directed Steiner Tree problem, is a flow-based linear programming relaxation. We...
Eran Halperin, Guy Kortsarz, Robert Krauthgamer, A...
AI
2005
Springer
13 years 7 months ago
MaxSolver: An efficient exact algorithm for (weighted) maximum satisfiability
Maximum Boolean satisfiability (max-SAT) is the optimization counterpart of Boolean satisfiability (SAT), in which a variable assignment is sought to satisfy the maximum number of...
Zhao Xing, Weixiong Zhang