Approximations for node-weighted Steiner tree in unit disk graphs.
XiaoHua XuYuexuan WangHongwei DuPeng-Jun WanFeng ZouXianyue LiWeili WuPublished in: Optim. Lett. (2010)
Keyphrases
- steiner tree
- minimum spanning tree
- shortest path
- edge weights
- weighted graph
- betweenness centrality
- finding the shortest path
- directed graph
- undirected graph
- graph structure
- spanning tree
- graph theory
- bipartite graph
- complex networks
- minimum cost
- evolutionary algorithm
- social networks
- neural network
- np hard
- linear programming relaxation