Keyphrases
- lower bound
- upper bound
- objective function
- branch and bound
- branch and bound algorithm
- lower and upper bounds
- constant factor
- worst case
- optimal solution
- arbitrarily close
- lower bounding
- upper and lower bounds
- optimal cost
- quadratic assignment problem
- np hard
- running times
- linear programming relaxation
- max sat
- neural network
- set of randomly generated instances