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120
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FS
2011
14 years 4 months ago
2011
Harrison and Kreps showed in 1978 how the heterogeneity of investor beliefs can drive speculation, leading the price of an asset to exceed its intrinsic value. By focusing on an e...
92
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ICASSP
2011
IEEE
14 years 4 months ago
2011
IEEE
We present a sliding window RLS for sparse filters, based on the greedy least squares algorithm. The algorithm adapts a partial QR factorization with pivoting, using a simplifie...
ICASSP
2011
IEEE
14 years 4 months ago
2011
IEEE
Most of the echo cancellers are equipped with a double-talk detector (DTD) in order to control the behavior of the adaptive filter during double-talk situations. In this paper, w...
117
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COMGEO
2011
ACM
14 years 7 months ago
2011
ACM
In this note, we show that the size of the perimeter of (α, β)-covered objects is a linear function of the diameter. Specifically, for an (α, β)-covered object O, per(O) ≤ c...
179
Voted
ORL
2011
14 years 7 months ago
2011
We derive a convex relaxation for cardinality constrained Principal Component Analysis (PCA) by using a simple representation of the L1 unit ball and standard Lagrangian duality. ...