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Theory of Probability and Mathematical Statistics

ISSN 1547-7363(online) ISSN 0094-9000(print)

   
 
 

 

Spatiotemporal covariance functions for Laplacian ARMA fields in higher dimensions


Author: György H. Terdik
Journal: Theor. Probability and Math. Statist. 107 (2022), 111-132
MSC (2020): Primary 54C40, 14E20; Secondary 46E25, 20C20
DOI: https://doi.org/10.1090/tpms/1173
Published electronically: November 8, 2022
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Abstract: This paper presents clear formulae of the covariance functions of Laplacian ARMA fields in terms of coefficients and Bessel functions in higher spatial dimensions. Spectral methods are used for the study of spatiotemporal Laplacian ARMA fields in Euclidean spaces and spheres therein with dimension $d\geq 2$.


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Additional Information

György H. Terdik
Affiliation: Faculty of Informatics, University of Debrecen, Hungary, 4026
Email: Terdik.Gyorgy@inf.unideb.hu

Keywords: Isotropy, homogeneity, stationarity, space-time interaction, spectral density, Whittle–Matérn model, Laplacian ARMA fields in higher spatial dimensions, random fields on sphere
Received by editor(s): July 16, 2021
Accepted for publication: October 22, 2021
Published electronically: November 8, 2022
Additional Notes: This research work was partially supported by Nemz. Lab. under the project MILAB, grant number NKFIH-870-21/2020 and by the Big Data project with code FIKP-20428-3/2018/FEKUTSTRAT of the University of Debrecen, Hungary.
Dedicated: This paper is dedicated to the memory of Mikhailo Iosipovich Yadrenko on the occasion of his 90th birthday
Article copyright: © Copyright 2022 Taras Shevchenko National University of Kyiv