On the Integrality Gap of the Subtour LP for the 1, 2-TSP.
Jiawei QianFrans SchalekampDavid P. WilliamsonAnke van ZuylenPublished in: LATIN (2012)
Keyphrases
- subtour elimination
- lp relaxation
- integrality gap
- linear programming
- linear program
- message passing
- valid inequalities
- integer programming
- traveling salesman problem
- knapsack problem
- energy minimization
- optimal solution
- feasible solution
- integer program
- linear programming relaxation
- global constraints
- integer programming formulation
- maximum a posteriori
- dynamic programming
- approximate solutions
- markov random field
- column generation
- optimization problems
- solution quality
- belief propagation
- computational complexity
- np hard
- special case
- mathematical model
- cutting plane
- production planning
- randomly generated
- graph cuts
- energy function