Improved approximation algorithms for metric MaxTSP.
Zhi-Zhong ChenTakayuki NagoyaPublished in: J. Comb. Optim. (2007)
Keyphrases
- approximation algorithms
- np hard
- special case
- vertex cover
- worst case
- minimum cost
- facility location problem
- network design problem
- approximation schemes
- primal dual
- set cover
- constant factor
- approximation ratio
- disjoint paths
- precedence constraints
- exact algorithms
- np hardness
- combinatorial auctions
- open shop
- randomized algorithms
- search space
- lower bound