Open Science Harvester of NAS of Ukraine

An example of a stochastic differential equation with the property of weak non-uniqueness of a solution

by Kopytko, B.I., Portenko, M.I.
Published 2006

One class of multidimensional stochastic differential equations having no property of weak uniqueness of a solution

by Aryasova, O.V., Portenko, M.I.
Published 2005

One example of a random change of time that transforms a generalized diffusion process into an ordinary one

by Aryasova, O.V., Portenko, M.I.
Published 2007

On the distribution of a rotationally invariant α-stable process at the hitting time of a given hyperplane

by Osypchuk, M.M., Portenko, M.I.
Published in Доповіді НАН України (2018)

A uniqueness theorem for the martingale problem describing a diffusion in media with membranes

by Aryasova, O.V., Portenko, M.I.
Published 2008