On potentially negative space time covariances obtained as sum of products of marginal ones
By Pablo Gregori, Emilio Porcu, Jorge Mateu, Zoltán Sasvári. 2008
49 citations recorded by the source corpus.
Subfields: Economics and Econometrics, Environmental Engineering, Statistics and Probability
View Paper: https://www.semanticscholar.org/paper/ba430c3c4a9360964c8af837b4f1204913a581b5
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In Economics and Econometrics
In Environmental Engineering
In Statistics and Probability
Citations in the corpus
- Some covariance models based on normal scale mixtures (2011, background): “The covariance model (7), which is valid in R, does not allow for negative values, hence its value is limited in some applications (Gregori et al. (2008)). To overcome this limitation, Ma (2005a) considers differences of positive definite functions.”