An Improved Integrality Gap for the Calinescu-Karloff-Rabani Relaxation for Multiway Cut.
Haris AngelidakisYury MakarychevPasin ManurangsiPublished in: CoRR (2016)
Keyphrases
- integrality gap
- linear programming relaxation
- linear program
- arbitrarily close
- tight upper and lower bounds
- lower bound
- valid inequalities
- approximation algorithms
- linear programming
- knapsack problem
- finite number
- integer programming
- branch and bound
- primal dual
- lp relaxation
- integer programming formulation
- column generation
- low degree
- optimal solution
- objective function
- mixed integer programming
- integer program
- feasible solution
- np hardness
- special case
- randomly generated
- energy minimization
- minimum cost
- simulated annealing