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202
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CSDA
2008
15 years 6 months ago
2008
Group lasso is a natural extension of lasso and selects variables in a grouped manner. However, group lasso suffers from estimation inefficiency and selection inconsistency. To re...
173
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AMC
2006
15 years 6 months ago
2006
In this paper, stabilization problem via static output feedback controls for linear time-varying systems is investigated. Based on the Lyapunov function techniques, we show that f...
153
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AMC
2006
15 years 6 months ago
2006
The classical simulation of physical processes using standard models of computation is fraught with problems. On the other hand, attempts at modelling real-world computation with ...
164
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AUTOMATICA
2006
15 years 6 months ago
2006
This paper introduces the normalized and signed gradient dynamical systems associated with a differentiable function. Extending recent results on nonsmooth stability analysis, we ...
171
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DAM
2006
15 years 6 months ago
2006
Abstract. Computing a maximum weighted stable set in a bipartite graph is considered wellsolved and usually approached with preflow-push, Ford-Fulkerson or network simplex algorith...