{ "id": "2111.07293", "version": "v2", "published": "2021-11-14T09:35:36.000Z", "updated": "2022-12-11T11:08:14.000Z", "title": "Weak Uniqueness for the Stochastic Heat Equation Driven by a Multiplicative Stable Noise", "authors": [ "Sayantan Maitra" ], "comment": "31 pages, 1 figure. Corrected an error from the previous version. The main result now incorporates a larger class of initial conditions", "categories": [ "math.PR" ], "abstract": "We consider the stochastic heat equation $$\\frac{\\partial Y_t(x)}{\\partial t} = \\frac{1}{2} \\Delta_x Y_t(x) + Y_{t-}(x)^{\\beta} \\dot{L}^{\\alpha}$$ with $t \\ge 0$, $x \\in \\mathbb{R}$ and $L^{\\alpha}$ being an $\\alpha$-stable white noise without negative jumps. Under appropriate non-negative initial conditions, when $\\alpha \\in (1,2)$ and $\\beta \\in (\\frac{1}{\\alpha}, 1)$ we prove that weak uniqueness holds for the above using the approximating duality approach developed by Mytnik (Ann. Probab. (1998) 26 968-984).", "revisions": [ { "version": "v2", "updated": "2022-12-11T11:08:14.000Z" } ], "analyses": { "subjects": [ "60H15" ], "keywords": [ "stochastic heat equation driven", "multiplicative stable noise", "weak uniqueness holds", "appropriate non-negative initial conditions", "stable white noise" ], "note": { "typesetting": "TeX", "pages": 31, "language": "en", "license": "arXiv", "status": "editable" } } }