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Anisotropic Gaussian random fields: criteria for hitting probabilities and applications

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We develop criteria for hitting probabilities of anisotropic Gaussian random fields with associated canonical pseudo-metric given by a class of gauge functions. This yields lower and upper bounds in terms of general notions of capacity and Hausdorff measure, respectively, therefore extending the classical estimates with the Bessel-Riesz capacity and the $\gamma$ -dimensional Hausdorff measure. We apply the criteria to a system of linear stochastic partial differential equations driven by space-time noises that are fractional in time and either white or colored in space.

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HINOJOSA CALLEJA, Adrián, SANZ-SOLÉ, Marta. Anisotropic Gaussian random fields: criteria for hitting probabilities and applications. _Stochastics And Partial Differential Equations-Analysis And Computations_. 2021. [consulta: 20 de gener de 2026]. ISSN: 2194-0401. [Disponible a: https://hdl.handle.net/2445/174485]

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