Improved Approximation Algorithms for Relay Placement.
Alon EfratSándor P. FeketeJoseph S. B. MitchellValentin PolishchukJukka SuomelaPublished in: CoRR (2015)
Keyphrases
- approximation algorithms
- np hard
- special case
- vertex cover
- worst case
- minimum cost
- network design problem
- facility location problem
- exact algorithms
- constant factor
- approximation ratio
- np hardness
- randomized algorithms
- primal dual
- open shop
- precedence constraints
- combinatorial auctions
- disjoint paths
- objective function
- constant factor approximation
- approximation schemes
- undirected graph
- integer programming
- linear programming
- lower bound