Polynomial Integrality Gap of Flow LP for Directed Steiner Tree.
Shi LiBundit LaekhanukitPublished in: SODA (2022)
Keyphrases
- linear programming relaxation
- steiner tree
- integrality gap
- linear programming
- lower bound
- knapsack problem
- integer programming
- feasible solution
- branch and bound
- valid inequalities
- linear program
- column generation
- mixed integer programming
- low degree
- integer program
- primal dual
- upper bound
- semidefinite programming
- arbitrarily close
- optimal solution
- finite number
- optimization problems
- cutting plane
- branch and bound algorithm
- lp relaxation
- dnf formulas
- dynamic programming