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» The Complexity of Partition Functions
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JMLR
2010
141views more  JMLR 2010»
14 years 4 months ago
Hierarchical Gaussian Process Regression
We address an approximation method for Gaussian process (GP) regression, where we approximate covariance by a block matrix such that diagonal blocks are calculated exactly while o...
Sunho Park, Seungjin Choi
TNN
2008
187views more  TNN 2008»
14 years 10 months ago
Complex ICA by Negentropy Maximization
In this paper, we use complex analytic functions to achieve independent component analysis (ICA) by maximization of non-Gaussianity and introduce the complex maximization of nonGau...
Mike Novey, Tülay Adali
EVOW
2004
Springer
15 years 3 months ago
On the Structure of Sequential Search: Beyond "No Free Lunch"
In sequential, deterministic, non-redundant search the algorithm permutes a test function to obtain the search result. The mapping from test functions to search results is a one-to...
Thomas M. English
FOCS
2003
IEEE
15 years 3 months ago
Polynomial Degree vs. Quantum Query Complexity
The degree of a polynomial representing (or approximating) a function f is a lower bound for the quantum query complexity of f. This observation has been a source of many lower bo...
Andris Ambainis
FOCS
1991
IEEE
15 years 1 months ago
Communication Complexity Towards Lower Bounds on Circuit Depth
Karchmer, Raz, and Wigderson, 1991, discuss the circuit depth complexity of n bit Boolean functions constructed by composing up to d = logn=loglogn levels of k = logn bit boolean
Jeff Edmonds, Steven Rudich, Russell Impagliazzo, ...