Weak uniqueness by noise for singular stochastic PDEs
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
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| _version_ | 1866911925384773632 |
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| author | Bertacco, Federico Orrieri, Carlo Scarpa, Luca |
| author_facet | Bertacco, Federico Orrieri, Carlo Scarpa, Luca |
| contents | We prove weak uniqueness of mild solutions for general classes of SPDEs on a Hilbert space. The main novelty is that the drift is only defined on a Sobolev-type subspace and no Hölder-continuity assumptions are required. This framework turns out to be effective to achieve novel uniqueness results for several specific examples. Such wide range of applications is obtained by exploiting either coloured or rougher-than-cylindrical noises. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_01642 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Weak uniqueness by noise for singular stochastic PDEs Bertacco, Federico Orrieri, Carlo Scarpa, Luca Probability Analysis of PDEs 60H15, 35R60, 35R15 We prove weak uniqueness of mild solutions for general classes of SPDEs on a Hilbert space. The main novelty is that the drift is only defined on a Sobolev-type subspace and no Hölder-continuity assumptions are required. This framework turns out to be effective to achieve novel uniqueness results for several specific examples. Such wide range of applications is obtained by exploiting either coloured or rougher-than-cylindrical noises. |
| title | Weak uniqueness by noise for singular stochastic PDEs |
| topic | Probability Analysis of PDEs 60H15, 35R60, 35R15 |
| url | https://arxiv.org/abs/2308.01642 |