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110
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SIAMSC
2008
117views more  SIAMSC 2008»
15 years 3 months ago
Adaptive, Fast, and Oblivious Convolution in Evolution Equations with Memory
To approximate convolutions which occur in evolution equations with memory terms, a variable-stepsize algorithm is presented for which advancing N steps requires only O(N log N) op...
María López-Fernández, Christ...
117
Voted
TIP
2008
99views more  TIP 2008»
15 years 3 months ago
Using Spanning Graphs for Efficient Image Registration
We provide a detailed analysis of the use of minimal spanning graphs as an alignment method for registering multimodal images. This yields an efficient graph theoretic algorithm th...
Mert R. Sabuncu, Peter J. Ramadge
154
Voted
JCP
2007
143views more  JCP 2007»
15 years 3 months ago
Noisy K Best-Paths for Approximate Dynamic Programming with Application to Portfolio Optimization
Abstract— We describe a general method to transform a non-Markovian sequential decision problem into a supervised learning problem using a K-bestpaths algorithm. We consider an a...
Nicolas Chapados, Yoshua Bengio
ALIFE
2004
15 years 3 months ago
Autopoiesis and Cognition in the Game of Life
Maturana and Varela's notion of autopoiesis has the potential to transform the conceptual foundation of biology as well as the cognitive, behavioral, and brain sciences. In or...
Randall D. Beer
MOC
1998
66views more  MOC 1998»
15 years 3 months ago
Nonconforming finite element approximation of crystalline microstructure
Abstract. We consider a class of nonconforming finite element approximations of a simply laminated microstructure which minimizes the nonconvex variational problem for the deforma...
Bo Li, Mitchell Luskin