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CSDA
2008
65views more  CSDA 2008»
13 years 7 months ago
On the number of principal components: A test of dimensionality based on measurements of similarity between matrices
An important problem in principal component analysis (PCA) is the estimation of the correct number of components to retain. PCA is most often used to reduce a set of observed vari...
Stéphane Dray
JSYML
1998
51views more  JSYML 1998»
13 years 7 months ago
The Algebraic Sum of Sets of Real Numbers with Strong Measure Zero Sets
We prove the following theorems:
Andrej Nowik, Marion Scheepers, Tomasz Weiss
INFOCOM
2005
IEEE
14 years 1 months ago
Bounding the power rate function of wireless ad hoc networks
Abstract— Given a wireless ad hoc network and an endto-end traffic pattern, the power rate function refers to the minimum total power required to support different throughput un...
Yunnan Wu, Qian Zhang, Wenwu Zhu, Sun-Yuan Kung
AAIM
2007
Springer
151views Algorithms» more  AAIM 2007»
14 years 1 months ago
Acyclic Edge Colouring of Outerplanar Graphs
An acyclic edge colouring of a graph is a proper edge colouring having no 2-coloured cycle, that is, a colouring in which the union of any two colour classes forms a linear forest...
Rahul Muthu, N. Narayanan, C. R. Subramanian