Emery, Xavier; Porcu, Emilio Integral representations, extension theorems and walks through dimensions under radial exponential convexity. (English) Zbl 07803436 Comput. Appl. Math. 43, No. 1, Paper No. 28, 16 p. (2024). MSC: 60G10 26E40 32A50 PDFBibTeX XMLCite \textit{X. Emery} and \textit{E. Porcu}, Comput. Appl. Math. 43, No. 1, Paper No. 28, 16 p. (2024; Zbl 07803436) Full Text: DOI
Ferreira, Guillermo; Piña, Nicolas; Porcu, Emilio Estimation of slowly time-varying trend function in long memory regression models. (English) Zbl 07192638 J. Stat. Comput. Simulation 88, No. 10, 1903-1920 (2018). MSC: 62-XX PDFBibTeX XMLCite \textit{G. Ferreira} et al., J. Stat. Comput. Simulation 88, No. 10, 1903--1920 (2018; Zbl 07192638) Full Text: DOI
Alonso-Malaver, C. E.; Porcu, E.; Giraldo, R. Multivariate and multiradial Schoenberg measures with their dimension walks. (English) Zbl 1320.60117 J. Multivariate Anal. 133, 251-265 (2015). MSC: 60G60 60G15 60G50 62M40 PDFBibTeX XMLCite \textit{C. E. Alonso-Malaver} et al., J. Multivariate Anal. 133, 251--265 (2015; Zbl 1320.60117) Full Text: DOI
Gregori, Pablo; Porcu, Emilio; Mateu, Jorge Models of covariance functions of Gaussian random fields escaping from isotropy, stationarity and non negativity. (English) Zbl 1356.62168 Image Anal. Stereol. 33, No. 1, 75-81 (2014). MSC: 62M40 62M30 PDFBibTeX XMLCite \textit{P. Gregori} et al., Image Anal. Stereol. 33, No. 1, 75--81 (2014; Zbl 1356.62168) Full Text: DOI
Porcu, E.; Matkowski, J.; Mateu, J. On the non-reducibility of non-stationary correlation functions to stationary ones under a class of mean-operator transformations. (English) Zbl 1416.62293 Stoch. Environ. Res. Risk Assess. 24, No. 5, 599-610 (2010). MSC: 62H11 62H20 62M40 60G60 PDFBibTeX XMLCite \textit{E. Porcu} et al., Stoch. Environ. Res. Risk Assess. 24, No. 5, 599--610 (2010; Zbl 1416.62293) Full Text: DOI