Improved approximation algorithms for the freeze-tag problem.
Esther M. ArkinMichael A. BenderDongdong GePublished in: SPAA (2003)
Keyphrases
- approximation algorithms
- special case
- np hard
- minimum cost
- set cover
- exact algorithms
- worst case
- facility location problem
- vertex cover
- approximation ratio
- primal dual
- np hardness
- randomized algorithms
- disjoint paths
- network design problem
- constant factor
- approximation schemes
- constant factor approximation
- greedy algorithm
- polynomial time approximation
- open shop