Sharp lower bounds on signed domination numbers of digraphs.
Wei MengRuixia WangPublished in: Ars Comb. (2015)
Keyphrases
- lower bound
- upper bound
- branch and bound
- objective function
- branch and bound algorithm
- lower and upper bounds
- equivalence classes
- lower bounding
- np hard
- high quality
- real numbers
- upper and lower bounds
- optimal solution
- vc dimension
- worst case
- linear programming relaxation
- optimal cost
- directed graph
- knapsack problem
- search algorithm
- similarity measure