Coloring down: 3/2-approximation for special cases of the weighted tree augmentation problem.
Jennifer IglesiasR. RaviPublished in: Oper. Res. Lett. (2022)
Keyphrases
- special case
- approximation algorithms
- lp norm
- approximation ratio
- tree structure
- weight function
- clique tree
- np hard
- binary tree
- computational complexity
- closed form
- tree search
- order statistics
- relative error
- tree construction
- weighted sum
- tree nodes
- r tree
- minimum error
- error tolerance
- association graph
- maximum weight
- tree models
- polygonal approximation
- approximation methods
- tree structures