General models of random fields on the sphere associated with nonlocal equations in time and space are studied. The properties of the corresponding angular power spectrum are discussed and asymptotic results in terms of random time changes are found.

Models of space-time random fields on the sphere / D?ovidio, M.; Orsingher, E.; Sakhno, L.. - In: MODERN STOCHASTICS: THEORY AND APPLICATIONS. - ISSN 2351-6054. - 9:2(2022), pp. 139-156. [10.15559/22-VMSTA200]

Models of space-time random fields on the sphere

D?ovidio, M.
Membro del Collaboration Group
;
Orsingher, E.
Membro del Collaboration Group
;
Sakhno, L.
Membro del Collaboration Group
2022

Abstract

General models of random fields on the sphere associated with nonlocal equations in time and space are studied. The properties of the corresponding angular power spectrum are discussed and asymptotic results in terms of random time changes are found.
2022
Fractional equations; spherical Brownian motion; subordinators; random fields; Laplace-Beltrami operators; spherical harmonics
01 Pubblicazione su rivista::01a Articolo in rivista
Models of space-time random fields on the sphere / D?ovidio, M.; Orsingher, E.; Sakhno, L.. - In: MODERN STOCHASTICS: THEORY AND APPLICATIONS. - ISSN 2351-6054. - 9:2(2022), pp. 139-156. [10.15559/22-VMSTA200]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1691824
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