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PODC
2006
ACM
14 years 1 months ago
On the complexity of distributed graph coloring
Coloring the nodes of a graph with a small number of colors is one of the most fundamental problems in theoretical computer science. In this paper, we study graph coloring in a di...
Fabian Kuhn, Roger Wattenhofer
CORR
2010
Springer
98views Education» more  CORR 2010»
13 years 7 months ago
Linear Operator Channels over Finite Fields
Motivated by random linear network coding, we study the communication through channels, called linear operator channels (LOCs), that perform linear operation over finite fields. Fo...
Shenghao Yang, Siu-Wai Ho, Jin Meng, En-Hui Yang
ICALP
2005
Springer
14 years 1 months ago
New Approaches for Virtual Private Network Design
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
Friedrich Eisenbrand, Fabrizio Grandoni, Gianpaolo...
TPDS
2010
222views more  TPDS 2010»
13 years 6 months ago
Energy-Efficient Beaconless Geographic Routing in Wireless Sensor Networks
—Geographic routing is an attractive localized routing scheme for wireless sensor networks (WSNs) due to its desirable scalability and efficiency. Maintaining neighborhood inform...
Haibo Zhang, Hong Shen
ICDCSW
2003
IEEE
14 years 1 months ago
Foundations of Security for Hash Chains in Ad Hoc Networks
Nodes in ad hoc networks generally transmit data at regular intervals over long periods of time. Recently, ad hoc network nodes have been built that run on little power and have v...
Phillip G. Bradford, Olga V. Gavrylyako