Keyphrases
- approximation algorithms
- undirected graph
- np hard
- constant factor
- disjoint paths
- special case
- worst case
- vertex cover
- minimum cost
- np hardness
- facility location problem
- open shop
- approximation schemes
- primal dual
- network design problem
- random walk
- graph structure
- weighted graph
- graph model
- approximation ratio
- set cover
- spanning tree
- optimal solution
- randomized algorithms
- polynomial time approximation
- sample complexity
- convex optimization
- connected components
- approximation guarantees
- mathematical model
- linear programming
- upper bound
- search algorithm