New lower bounds for the first variable Zagreb index.
Álvaro Martínez-PérezJosé M. RodríguezPublished in: Discret. Appl. Math. (2022)
Keyphrases
- lower bound
- upper bound
- branch and bound algorithm
- objective function
- index structure
- optimal solution
- branch and bound
- worst case
- lower bounding
- lower and upper bounds
- database
- indexing techniques
- np hard
- optimal cost
- neural network
- main memory
- randomly generated problems
- online algorithms
- structural similarity
- noise level
- data sets