Keyphrases
- approximation algorithms
- np hard
- special case
- vertex cover
- worst case
- minimum cost
- facility location problem
- set cover
- network design problem
- constant factor
- exact algorithms
- primal dual
- approximation schemes
- open shop
- approximation ratio
- randomized algorithms
- np hardness
- precedence constraints
- linear programming
- genetic algorithm
- undirected graph
- resource allocation
- approximation guarantees
- disjoint paths
- constant factor approximation