Primal-dual approximation algorithm for the two-level facility location problem via a dual quasi-greedy approach.
Chenchen WuDonglei DuDachuan XuPublished in: Theor. Comput. Sci. (2015)
Keyphrases
- primal dual
- approximation algorithms
- linear programming
- facility location problem
- dynamic programming
- convergence rate
- affine scaling
- convex optimization
- linear program
- dominating set
- np hard
- interior point methods
- simplex algorithm
- interior point algorithm
- search space
- semidefinite programming
- algorithm for linear programming
- duality gap
- dual formulation
- variational inequalities
- interior point
- linear programming problems
- optimal solution
- valid inequalities
- objective function
- energy function
- graphical models
- special case