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JGT
2008
59views more  JGT 2008»
15 years 6 months ago
Pebbling and optimal pebbling in graphs
Given a distribution of pebbles on the vertices of a graph G, a pebbling move takes two pebbles from one vertex and puts one on a neighboring vertex. The pebbling number (G) is th...
David P. Bunde, Erin W. Chambers, Daniel W. Cranst...
CPC
2007
112views more  CPC 2007»
15 years 6 months ago
Graphs with Large Girth Not Embeddable in the Sphere
In 1972, M. Rosenfeld asked if every triangle-free graph could be embedded in the unit sphere Sd in such a way that two vertices joined by an edge have distance more than √ 3 (i...
Pierre Charbit, Stéphan Thomassé
CN
2004
107views more  CN 2004»
15 years 6 months ago
A multicriteria handoff decision scheme for the next generation tactical communications systems
In this paper a novel handoff decision algorithm for the mobile subsystem of tactical communications systems is introduced. In this algorithm, handoff decision metrics are: receiv...
Tolga Onel, Cem Ersoy, Erdal Cayirci, Gerard Parr
GLOBECOM
2009
IEEE
15 years 4 months ago
Efficient Data Collection for Wireless Networks: Delay and Energy Tradeoffs
In this paper, we study efficient data collection for wireless sensor networks. We present efficient distributed algorithms with approximately the minimum delay, or the minimum mes...
Chao Ren, XuFei Mao, Xiang-Yang Li, Ping Xu, Guoju...
DAGSTUHL
2006
15 years 7 months ago
The complexity of Boolean functions from cryptographic viewpoint
Cryptographic Boolean functions must be complex to satisfy Shannon's principle of confusion. But the cryptographic viewpoint on complexity is not the same as in circuit compl...
Claude Carlet