科研之友
微信
新浪微博
Facebook
分享链接
摘要
We give a linear time algorithm to compute an optimal (minimum) k-hop dominating set D of a tree T for k >= 1. This extends the previous result for an optimal 1-dominating set for trees. We use a rooted form (T) over bar of T, with an arbitrary node selected as the root, to direct the search for nodes of D in a bottom-up fashion. The decision whether to include a node x in D or not is based on the subtree of (T) over bar at x. Optimal k-hop dominating sets have many important practical applications.
- 出版日期2016-2
