{ "id": "1412.1912", "version": "v1", "published": "2014-12-05T07:50:42.000Z", "updated": "2014-12-05T07:50:42.000Z", "title": "Stationary solutions of stochastic partial differential equations in the space of tempered distributions", "authors": [ "Suprio Bhar" ], "categories": [ "math.PR" ], "abstract": "In Rajeev (2013), 'Translation invariant diffusion in the space of tempered distributions', it was shown that there is an one to one correspondence between solutions of a class of finite dimensional SDEs and solutions of a class of SPDEs in $\\mathcal{S}'$, the space of tempered distributions, driven by the same Brownian motion. There the coefficients $\\bar{\\sigma}, \\bar{b}$ of the finite dimensional SDEs were related to the coefficients of the SPDEs in $\\mathcal{S}'$ in a special way, viz. through convolution with the initial value $y$ of the SPDEs. In this paper, we consider the situation where the solutions of the finite dimensional SDEs are stationary and ask whether the corresponding solutions of the equations in $\\mathcal{S}'$ are also stationary. We provide an affirmative answer, when the initial random variable takes value in a certain set $\\mathcal{C}$, which ensures that the coefficients of the finite dimensional SDEs are related to the coefficients of the SPDEs in the above `special' manner.", "revisions": [ { "version": "v1", "updated": "2014-12-05T07:50:42.000Z" } ], "analyses": { "subjects": [ "60G10", "60H10", "60H15" ], "keywords": [ "stochastic partial differential equations", "finite dimensional sdes", "tempered distributions", "stationary solutions", "coefficients" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1412.1912B" } } }