Coloring Down: $3/2$-approximation for special cases of the weighted tree augmentation problem.
Jennifer IglesiasR. RaviPublished in: CoRR (2017)
Keyphrases
- special case
- approximation algorithms
- lp norm
- weight function
- approximation ratio
- tree structure
- maximum weight
- computational complexity
- closed form
- clique tree
- np hard
- hierarchical structure
- weighted sum
- tree structures
- genetic algorithm
- error bounds
- weighted graph
- tree search
- relative error
- tree construction
- index structure
- search algorithm
- database