Combinatorial Approximation Algorithms for Spectrum Assignment Problem in Chain and Ring Networks.
Guangting ChenLei ZhangAn ZhangYong ChenPublished in: COCOA (1) (2017)
Keyphrases
- approximation algorithms
- np hard
- special case
- vertex cover
- minimum cost
- approximation ratio
- np hardness
- worst case
- set cover
- open shop
- primal dual
- approximation schemes
- network design problem
- optimal solution
- complex networks
- constant factor
- randomized algorithms
- network design
- precedence constraints
- combinatorial auctions
- integer programming
- polynomial time approximation
- convergence rate
- facility location problem
- network structure
- linear programming
- lower bound