Itô's Formula for Itô processes defined with respect to a cylindrical-martingale valued measure
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913612774244352 |
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| author | Cambronero, Santiago Campos, David Fonseca-Mora, C. A. Mena, Darío |
| author_facet | Cambronero, Santiago Campos, David Fonseca-Mora, C. A. Mena, Darío |
| contents | Using the theory of stochastic integration developed recently by the authors, in this paper we prove an Itô formula for Hilbert space-valued Itô processes defined with respect to a cylindrical-martingale valued measure. As part of our study, we develop some tools from stochastic analysis as are the predictable and optional quadratic variation of the stochastic integral, the continuous and purely discontinuous parts of the integral process, and a Riemann representation formula. Finally, as an application of Itô's formula we prove a Burkholder inequality for the stochastic integral defined with respect to a cylindrical-martingale valued measure. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_16086 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Itô's Formula for Itô processes defined with respect to a cylindrical-martingale valued measure Cambronero, Santiago Campos, David Fonseca-Mora, C. A. Mena, Darío Probability 60H05, 60H15, 60B11, 60G48 Using the theory of stochastic integration developed recently by the authors, in this paper we prove an Itô formula for Hilbert space-valued Itô processes defined with respect to a cylindrical-martingale valued measure. As part of our study, we develop some tools from stochastic analysis as are the predictable and optional quadratic variation of the stochastic integral, the continuous and purely discontinuous parts of the integral process, and a Riemann representation formula. Finally, as an application of Itô's formula we prove a Burkholder inequality for the stochastic integral defined with respect to a cylindrical-martingale valued measure. |
| title | Itô's Formula for Itô processes defined with respect to a cylindrical-martingale valued measure |
| topic | Probability 60H05, 60H15, 60B11, 60G48 |
| url | https://arxiv.org/abs/2407.16086 |