A sharper lower bound on the signless Laplacian Estrada index.
Hongbing ZhangPublished in: Ars Comb. (2018)
Keyphrases
- lower bound
- upper bound
- branch and bound
- branch and bound algorithm
- optimal solution
- worst case
- objective function
- lower and upper bounds
- np hard
- index structure
- database
- b tree
- multiresolution
- upper and lower bounds
- indexing method
- piecewise smooth
- edge detection
- special case
- metric space
- sample complexity
- constant factor
- sufficiently accurate