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» On the Hardness of the Noncommutative Determinant
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IJSNET
2007
95views more  IJSNET 2007»
13 years 8 months ago
On extracting consistent graphs in wireless sensor networks
: Robustness and security of services like localisation, routing and time synchronisation in Wireless Sensor Networks (WSNs) have been critical issues. Efficient mathematical (gra...
Murtuza Jadliwala, Qi Duan, Jinhui Xu, Shambhu J. ...
TON
2008
99views more  TON 2008»
13 years 7 months ago
On the computational complexity and effectiveness of N-hub shortest-path routing
Abstract-- In this paper we study the computational complexity and effectiveness of a concept we term "N-hub ShortestPath Routing" in IP networks. N-hub Shortest-Path Rou...
Reuven Cohen, Gabi Nakibly
TSP
2008
114views more  TSP 2008»
13 years 7 months ago
Clipping-Noise Guided Sign-Selection for PAR Reduction in OFDM Systems
The peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) systems can be reduced by using an optimal set of subcarrier signs. However, this sign se...
Luqing Wang, Chintha Tellambura
AIR
2004
130views more  AIR 2004»
13 years 7 months ago
A Hybrid Framework for Over-Constrained Generalized
Abstract. In this work we study an over-constrained scheduling problem where constraints cannot be relaxed. This problem originates from a local defense agency where activities to ...
Andrew Lim, Brian Rodrigues, Ramesh Thangarajo, Fe...
COMBINATORICS
2004
102views more  COMBINATORICS 2004»
13 years 7 months ago
Satisfiability and Computing van der Waerden Numbers
In this paper we bring together the areas of combinatorics and propositional satisfiability. Many combinatorial theorems establish, often constructively, the existence of positive...
Michael R. Dransfield, Lengning Liu, Victor W. Mar...