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» Lower Bounds on Correction Networks
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GLOBECOM
2009
IEEE
14 years 2 months ago
On the Connectivity of Key-Distribution Strategies in Wireless Sensor Networks
Abstract—Wireless sensor networks (WSNs) are usually missioned to gather critical information in hostile and adversarial environments, which make them susceptible to compromise a...
Hosein Shafiei, Ahmad Khonsari, Mohammad Sadegh Ta...
ESA
2008
Springer
134views Algorithms» more  ESA 2008»
13 years 9 months ago
A Near-Tight Bound for the Online Steiner Tree Problem in Graphs of Bounded Asymmetry
The edge asymmetry of a directed, edge-weighted graph is defined as the maximum ratio of the weight of antiparallel edges in the graph, and can be used as a measure of the heterog...
Spyros Angelopoulos
INFOCOM
2003
IEEE
14 years 28 days ago
Distributed Network Monitoring with Bounded Link Utilization in IP Networks
— Designing optimal measurement infrastructure is a key step for network management. In this work we address the problem of optimizing a scalable distributed polling system. The ...
Erran L. Li, Marina Thottan, Bin Yao, Sanjoy Paul
STOC
2007
ACM
98views Algorithms» more  STOC 2007»
14 years 8 months ago
Negative weights make adversaries stronger
The quantum adversary method is one of the most successful techniques for proving lower bounds on quantum query complexity. It gives optimal lower bounds for many problems, has ap...
Peter Høyer, Troy Lee, Robert Spalek
DM
2007
136views more  DM 2007»
13 years 7 months ago
Lower connectivities of regular graphs with small diameter
Krishnamoorthy, Thulasiraman and Swamy [Minimum order graphs with specified diameter, connectivity and regularity, Networks 19 (1989) 25–46] showed that a δ-regular graph with...
Camino Balbuena, Xavier Marcote