{ "id": "1611.05999", "version": "v1", "published": "2016-11-18T08:04:32.000Z", "updated": "2016-11-18T08:04:32.000Z", "title": "Stochastic wave equation in a plane driven by spatial stable noise", "authors": [ "Larysa Pryhara", "Georgiy Shevchenko" ], "comment": "Published at http://dx.doi.org/10.15559/16-VMSTA62 in the Modern Stochastics: Theory and Applications (https://www.i-journals.org/vtxpp/VMSTA) by VTeX (http://www.vtex.lt/)", "journal": "Modern Stochastics: Theory and Applications 2016, Vol. 3, No. 3, 237-248", "doi": "10.15559/16-VMSTA62", "categories": [ "math.PR" ], "abstract": "The main object of this paper is the planar wave equation \\[\\bigg(\\frac{\\partial^2}{\\partial t^2}-a^2\\varDelta\\bigg)U(x,t)=f(x,t),\\quad t\\ge0, x\\in \\mathbb {R}^2,\\] with random source $f$. The latter is, in certain sense, a symmetric $\\alpha$-stable spatial white noise multiplied by some regular function $\\sigma$. We define a candidate solution $U$ to the equation via Poisson's formula and prove that the corresponding expression is well defined at each point almost surely, although the exceptional set may depend on the particular point $(x,t)$. We further show that $U$ is H\\\"{o}lder continuous in time but with probability 1 is unbounded in any neighborhood of each point where $\\sigma$ does not vanish. Finally, we prove that $U$ is a generalized solution to the equation.", "revisions": [ { "version": "v1", "updated": "2016-11-18T08:04:32.000Z" } ], "analyses": { "keywords": [ "stochastic wave equation", "spatial stable noise", "plane driven", "stable spatial white noise", "planar wave equation" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }