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MP
1998
109views more  MP 1998»
13 years 4 months ago
Rounding algorithms for covering problems
In the last 25 years approximation algorithms for discrete optimization problems have been in the center of research in the fields of mathematical programming and computer science...
Dimitris Bertsimas, Rakesh V. Vohra
HEURISTICS
2002
122views more  HEURISTICS 2002»
13 years 4 months ago
Complete Local Search with Memory
Neighborhood search heuristics like local search and its variants are some of the most popular approaches to solve discrete optimization problems of moderate to large size. Apart ...
Diptesh Ghosh, Gerard Sierksma
ORL
2008
93views more  ORL 2008»
13 years 4 months ago
Polymatroids and mean-risk minimization in discrete optimization
We study discrete optimization problems with a submodular mean-risk minimization objective. For 0-1 problems a linear characterization of the convex lower envelope is given. For mi...
Alper Atamtürk, Vishnu Narayanan
IPCO
1996
89views Optimization» more  IPCO 1996»
13 years 5 months ago
On Dependent Randomized Rounding Algorithms
In recent years, approximation algorithms based on randomized rounding of fractional optimal solutions have been applied to several classes of discrete optimization problems. In t...
Dimitris Bertsimas, Chung-Piaw Teo, Rakesh Vohra