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CSDA
2006
95views more  CSDA 2006»
15 years 6 months ago
Identifying influential multinomial observations by perturbation
The assessment of the influence of individual observations on the outcome of the analysis by perturbation has received a lot of attention for situations in which the observations ...
S. O. Nyangoma, W.-K. Fung, R. C. Jansen
CSDA
2006
117views more  CSDA 2006»
15 years 6 months ago
Exact maximum likelihood estimation of structured or unit root multivariate time series models
TheexactlikelihoodfunctionofaGaussianvectorautoregressive-movingaverage(VARMA)model is evaluated in two nonstandard cases: (a) a parsimonious structured form, such as obtained in ...
Guy Mélard, Roch Roy, Abdessamad Saidi
DAM
2006
116views more  DAM 2006»
15 years 6 months ago
Using graphs for some discrete tomography problems
Given a rectangular array where entries represent the pixels of a digitalized image, we consider the problem of reconstructing an image from the number of occurrences of each colo...
Marie-Christine Costa, Dominique de Werra, Christo...
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DAM
2006
113views more  DAM 2006»
15 years 6 months ago
On the complexity of suboptimal decoding for list and decision feedback schemes
We consider bounded distance list decoding, such that the decoder calculates the list of all codewords within a sphere around the received vector. We analyze the performance and t...
Jürgen Freudenberger, Victor V. Zyablov
DCG
2006
78views more  DCG 2006»
15 years 6 months ago
A Geometric Study of the Split Decomposition
This paper sheds a new light on the split decomposition theory and T-theory from the viewpoint of convex analysis and polyhedral geometry. By regarding finite metrics as discrete ...
Hiroshi Hirai