Keyphrases
- approximation algorithms
- np hard
- special case
- worst case
- vertex cover
- facility location problem
- network design problem
- primal dual
- approximation ratio
- combinatorial auctions
- exact algorithms
- minimum cost
- open shop
- constant factor
- np hardness
- set cover
- precedence constraints
- upper bound
- approximation schemes
- learning algorithm
- constant factor approximation