Almost sure central limit theorem for the hyperbolic Anderson model with Lévy white noise
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| Format: | Preprint |
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2023
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| _version_ | 1866908594730958848 |
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| author | Balan, Raluca M. Xia, Panqiu Zheng, Guangqu |
| author_facet | Balan, Raluca M. Xia, Panqiu Zheng, Guangqu |
| contents | In this paper, we present an almost sure central limit theorem (ASCLT) for the hyperbolic Anderson model (HAM) with a Lévy white noise in a finite-variance setting, complementing a recent work by Balan and Zheng (\emph{Trans.~Amer.~Math.~Soc.}, 2024) on the (quantitative) central limit theorems for the solution to the HAM. We provide two different proofs: one uses the Clark-Ocone formula and takes advantage of the martingale structure of the white-in-time noise, while the other is obtained by combining the second-order Gaussian Poincaré inequality with Ibragimov and Lifshits' method of characteristic functions. Both approaches are different from the one developed in the PhD thesis of C. Zheng (2011), allowing us to establish the ASCLT without lengthy computations of star contractions. Moreover, the second approach is expected to be useful for similar studies on SPDEs with colored-in-time noises, whereas the former, based on Itô calculus, is not applicable. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2310_10784 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Almost sure central limit theorem for the hyperbolic Anderson model with Lévy white noise Balan, Raluca M. Xia, Panqiu Zheng, Guangqu Probability 35Q35, 60F15, 60H30 In this paper, we present an almost sure central limit theorem (ASCLT) for the hyperbolic Anderson model (HAM) with a Lévy white noise in a finite-variance setting, complementing a recent work by Balan and Zheng (\emph{Trans.~Amer.~Math.~Soc.}, 2024) on the (quantitative) central limit theorems for the solution to the HAM. We provide two different proofs: one uses the Clark-Ocone formula and takes advantage of the martingale structure of the white-in-time noise, while the other is obtained by combining the second-order Gaussian Poincaré inequality with Ibragimov and Lifshits' method of characteristic functions. Both approaches are different from the one developed in the PhD thesis of C. Zheng (2011), allowing us to establish the ASCLT without lengthy computations of star contractions. Moreover, the second approach is expected to be useful for similar studies on SPDEs with colored-in-time noises, whereas the former, based on Itô calculus, is not applicable. |
| title | Almost sure central limit theorem for the hyperbolic Anderson model with Lévy white noise |
| topic | Probability 35Q35, 60F15, 60H30 |
| url | https://arxiv.org/abs/2310.10784 |