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ICCS
2007
Springer
15 years 10 months ago
Hierarchical-Matrix Preconditioners for Parabolic Optimal Control Problems
Abstract. Hierarchical (H)-matrices approximate full or sparse matrices using a hierarchical data sparse format. The corresponding H-matrix arithmetic reduces the time complexity o...
Suely Oliveira, Fang Yang
IFIP
2007
Springer
15 years 10 months ago
A Door Access Control System with Mobile Phones
Abstract. This paper proposes a door access control system with mobile phones which allows off-line delegations of an access. A model of door access control with mobile phones is ...
Tomomi Yamasaki, Toru Nakamura, Kensuke Baba, Hiro...
IWANN
2007
Springer
15 years 10 months ago
Speeding Up the Dissimilarity Self-Organizing Maps by Branch and Bound
Abstract. This paper proposes to apply the branch and bound principle from combinatorial optimization to the Dissimilarity Self-Organizing Map (DSOM), a variant of the SOM that can...
Brieuc Conan-Guez, Fabrice Rossi
WADS
2007
Springer
114views Algorithms» more  WADS 2007»
15 years 10 months ago
Improved Algorithms for the Feedback Vertex Set Problems
Abstract. We present improved parameterized algorithms for the Feedback Vertex Set problem on both unweighted and weighted graphs. Both algorithms run in time O(5k kn2 ). The algor...
Jianer Chen, Fedor V. Fomin, Yang Liu 0002, Songji...
APCSAC
2006
IEEE
15 years 10 months ago
A Context-Switch Reduction Heuristic for Power-Aware Off-Line Scheduling
Abstract. Scheduling algorithms significantly affect the performance of a realtime system. In systems with power constraints, context switches in a schedule result in wasted power ...
Biju K. Raveendran, Sundar Balasubramaniam, K. Dur...