RNC-Approximation Algorithms for the Steiner Problem.
Hans Jürgen PrömelAngelika StegerPublished in: STACS (1997)
Keyphrases
- approximation algorithms
- np hard
- special case
- minimum cost
- worst case
- facility location problem
- vertex cover
- network design problem
- primal dual
- set cover
- open shop
- exact algorithms
- np hardness
- randomized algorithms
- constant factor
- approximation ratio
- polynomial time approximation
- approximation schemes
- integer programming
- lagrangian relaxation
- undirected graph
- combinatorial auctions