Listar por autoría "9d76c7d7-81b3-40c2-9536-d48092fff298"
Mostrando ítems 1-1 de 1
-
On potentially negative space time covariances obtained as sum of products of marginal ones
Gregori, Pablo; Porcu, Emilio; Mateu, Jorge; Sasvári, Zoltán Springer Verlag (2008)Most of the literature on spatio-temporal covariance models proposes structures that are positive in the whole domain. However, problems of physical, biological or medical nature need covariance models allowing for ...