Primal-Dual RNC Approximation Algorithms for Set Cover and Covering Integer Programs.
Sridhar RajagopalanVijay V. VaziraniPublished in: SIAM J. Comput. (1998)
Keyphrases
- set cover
- primal dual
- approximation algorithms
- integer program
- linear program
- np hard
- integer programming
- network flow
- column generation
- minimum cost
- cutting plane
- special case
- valid inequalities
- worst case
- linear programming
- approximation ratio
- algorithm for linear programming
- semidefinite programming
- linear programming relaxation
- constant factor
- optimal solution
- scheduling problem
- np complete
- computational complexity
- random walk
- production planning
- greedy algorithm
- approximation guarantees