Fixed-Parameter and Approximation Algorithms for Maximum Agreement Forests of Multifurcating Trees.
Chris WhiddenRobert G. BeikoNorbert ZehPublished in: Algorithmica (2016)
Keyphrases
- approximation algorithms
- np hard
- special case
- worst case
- facility location problem
- vertex cover
- set cover
- minimum cost
- network design problem
- decision trees
- constant factor
- exact algorithms
- precedence constraints
- np hardness
- combinatorial auctions
- approximation schemes
- disjoint paths
- undirected graph
- approximation ratio
- tree structure
- primal dual
- lower bound