Keyphrases
- approximation algorithms
- min max
- network design problem
- np hard
- facility location problem
- minimum cost
- special case
- vertex cover
- max min
- disjoint paths
- constant factor
- worst case
- primal dual
- set cover
- np hardness
- open shop
- approximation ratio
- routing problem
- shortest path
- randomized algorithms
- lower bound
- linear program
- vehicle routing problem
- facility location
- linear programming
- knapsack problem
- approximation schemes
- optimal solution