A restricted Lagrangean approach to the traveling salesman problem.
Egon BalasNicos ChristofidesPublished in: Math. Program. (1981)
Keyphrases
- metaheuristic
- traveling salesman problem
- ant colony optimization
- combinatorial optimization
- optimization problems
- optimal solution
- combinatorial optimization problems
- combinatorial problems
- ant colony optimization algorithm
- evolutionary algorithm
- lower bound
- path relinking
- transportation networks
- column generation
- crossover operator
- upper bound
- hamiltonian cycle
- discrete particle swarm optimization
- discrete optimization problems
- feasible solution
- genetic local search
- valid inequalities
- traveling salesman
- dynamic programming
- cost function