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CPC
2007
97views more  CPC 2007»
13 years 8 months ago
On an Online Spanning Tree Problem in Randomly Weighted Graphs
Abstract. This paper is devoted to an online variant of the minimum spanning tree problem in randomly weighted graphs. We assume that the input graph is complete and the edge weigh...
Jan Remy, Alexander Souza, Angelika Steger
SSS
2009
Springer
107views Control Systems» more  SSS 2009»
14 years 3 months ago
A Self-stabilizing Algorithm for Graph Searching in Trees
Graph searching games have been extensively studied in the past years. The graph searching problem involves a team of searchers who are attempting to capture a fugitive moving alon...
Rodica Mihai, Morten Mjelde
SODA
2004
ACM
156views Algorithms» more  SODA 2004»
13 years 10 months ago
Approximating Minimum Max-Stretch spanning Trees on unweighted graphs
Given a graph G and a spanning tree T of G, we say that T is a tree t-spanner of G if the distance between every pair of vertices in T is at most t times their distance in G. The p...
Yuval Emek, David Peleg
DAM
2011
13 years 3 months ago
Optimization problems in multiple subtree graphs
We study various optimization problems in t-subtree graphs, the intersection graphs of tsubtrees, where a t-subtree is the union of t disjoint subtrees of some tree. This graph cl...
Danny Hermelin, Dror Rawitz
LION
2009
Springer
145views Optimization» more  LION 2009»
14 years 3 months ago
A Variable Neighborhood Descent Search Algorithm for Delay-Constrained Least-Cost Multicast Routing
Abstract. The rapid evolution of real-time multimedia applications requires Quality of Service (QoS) based multicast routing in underlying computer networks. The constrained Steine...
Rong Qu, Ying Xu, Graham Kendall