{ "id": "1601.06998", "version": "v1", "published": "2016-01-26T12:47:32.000Z", "updated": "2016-01-26T12:47:32.000Z", "title": "Integral equation for the transition density of the multidimensional Markov random flight", "authors": [ "Alexander D. Kolesnik" ], "comment": "15 pages", "categories": [ "math.PR" ], "abstract": "We consider the Markov random flight $\\bold X(t)$ in the Euclidean space $\\Bbb R^m, \\; m\\ge 2,$ starting from the origin $\\bold 0\\in\\Bbb R^m$ that, at Poisson-paced times, changes its direction at random according to arbitrary distribution on the unit $(m-1)$-dimensional sphere $S^m(\\bold 0,1)$ having absolutely continuous density. For any time instant $t>0$, the convolution-type recurrent relations for the joint and conditional densities of process $\\bold X(t)$ and of the number of changes of direction, are obtained. Using these relations, we derive an integral equation for the transition density of $\\bold X(t)$ whose solution is given in the form of a uniformly converging series composed of the multiple double convolutions of the singular component of the density with itself. Two important particular cases of the uniform distribution on $S^m(\\bold 0,1)$ and of the Gaussian distributions on the unit circumference $S^2(\\bold 0,1)$ are separately considered.", "revisions": [ { "version": "v1", "updated": "2016-01-26T12:47:32.000Z" } ], "analyses": { "subjects": [ "60K35", "60K99", "60J60", "60J65", "82C41", "82C70" ], "keywords": [ "multidimensional markov random flight", "integral equation", "transition density", "convolution-type recurrent relations", "gaussian distributions" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2016arXiv160106998K" } } }