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ARITH
2003
IEEE
14 years 1 months ago
On-Line Multiplication in Real and Complex Base
Multiplication of two numbers represented in base   is shown to be computable by an on-line algorithm when   is a negative integer, a positive non-integer real number, or a comp...
Christiane Frougny, Athasit Surarerks
CORR
2008
Springer
112views Education» more  CORR 2008»
13 years 7 months ago
Minimal weight expansions in Pisot bases
For applications to cryptography, it is important to represent numbers with a small number of non-zero digits (Hamming weight) or with small absolute sum of digits. The problem of ...
Christiane Frougny, Wolfgang Steiner
COMBINATORICS
1998
42views more  COMBINATORICS 1998»
13 years 7 months ago
On Noncrossing and Nonnesting Partitions for Classical Reflection Groups
The number of noncrossing partitions of {1, 2, . . . , n} with fixed block sizes has a simple closed form, given by Kreweras, and coincides with the corresponding number for nonne...
Christos A. Athanasiadis
ISBI
2006
IEEE
14 years 8 months ago
Sample dependence correction for order selection in fMRI analysis
Multivariate analysis methods such as independent component analysis (ICA) have been applied to the analysis of functional magnetic resonance imaging (fMRI) data to study the brai...
Tülay Adali, Vince D. Calhoun, Yi-Ou Li
ISCAS
2007
IEEE
152views Hardware» more  ISCAS 2007»
14 years 2 months ago
Reduced Complexity Space-Time-Frequency Model for Multi-Channel EEG and Its Applications
— Searching for an efficient summarization of multi-channel electroencephalogram (EEG) behavior is a challenging signal analysis problem. Recently, parallel factor analysis (PAR...
Yodchanan Wongsawat, Soontorn Oraintara, K. R. Rao