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» In Praise of Numerical Computation
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MANSCI
2008
122views more  MANSCI 2008»
13 years 9 months ago
Incorporating Asymmetric Distributional Information in Robust Value-at-Risk Optimization
Value-at-Risk (VaR) is one of the most widely accepted risk measures in the financial and insurance industries, yet efficient optimization of VaR remains a very difficult problem....
Karthik Natarajan, Dessislava Pachamanova, Melvyn ...
NN
2008
Springer
169views Neural Networks» more  NN 2008»
13 years 9 months ago
Modeling a flexible representation machinery of human concept learning
dely acknowledged that categorically organized abstract knowledge plays a significant role in high-order human cognition. Yet, there are many unknown issues about the nature of ho...
Toshihiko Matsuka, Yasuaki Sakamoto, Arieta Chouch...
SIAMAM
2008
78views more  SIAMAM 2008»
13 years 9 months ago
Fingering from Ionization Fronts in Plasmas
Abstract. In this paper we describe the formation of fingers from ionization fronts for a hydrodynamic plasma model. The fingers result from a balance between the destabilizing eff...
Manuel Arrayás, Santiago Betelú, Mar...
PRL
2006
121views more  PRL 2006»
13 years 9 months ago
Information-preserving hybrid data reduction based on fuzzy-rough techniques
Data reduction plays an important role in machine learning and pattern recognition with a high-dimensional data. In real-world applications data usually exists with hybrid formats...
Qinghua Hu, Daren Yu, Zongxia Xie
SIAMIS
2008
93views more  SIAMIS 2008»
13 years 9 months ago
Convex Source Support and Its Application to Electric Impedance Tomography
The aim in electric impedance tomography is to recover the conductivity inside a physical body from boundary measurements of current and voltage. In many situations of practical im...
Martin Hanke, Nuutti Hyvönen, Stefanie Reussw...