Primal-Dual Approximation Algorithms for Integral Flow and Multicut in Trees, with Applications to Matching and Set Cover.
Naveen GargVijay V. VaziraniMihalis YannakakisPublished in: ICALP (1993)
Keyphrases
- approximation algorithms
- set cover
- primal dual
- np hard
- special case
- affine scaling
- interior point methods
- worst case
- semidefinite programming
- minimum cost
- vertex cover
- algorithm for linear programming
- approximation ratio
- np hardness
- linear programming
- image processing
- valid inequalities
- linear program
- convergence rate
- constant factor approximation