On the distribution of a rotationally invariant α-stable process at the hitting time of a given hyperplane von Osypchuk, M.M., Portenko, M.I.

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One class of multidimensional stochastic differential equations having no property of weak uniqueness of a solution von Aryasova, O.V., Portenko, M.I.

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An example of a stochastic differential equation with the property of weak non-uniqueness of a solution von Kopytko, B.I., Portenko, M.I.

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One example of a random change of time that transforms a generalized diffusion process into an ordinary one von Aryasova, O.V., Portenko, M.I.

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A uniqueness theorem for the martingale problem describing a diffusion in media with membranes von Aryasova, O.V., Portenko, M.I.

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On the 85th birthday of Anatolii Mykhailovych Samoilenko (02.01.1938 – 04.12.2020), outstanding Ukraininan mathematician von Kushnir, R. M., Lukovs’kyi, I. O., Makarov , V. L., Marchenko, V. O., Pastur, L. A., Perestyuk, M. O., Tymokha, O. M., Khruslov, Ye. Ya., Boichuk, O. A., Gutlyanskii, V. Ya., Kochubei , A. N., Nikitin, A. G., Portenko, M. I., Parasyuk, I. O., Petryshyn, R. I., Ronto, M. I., Tkachenko, V. I., Trofymchuk, S. I., Kushnir, R. M., Lukovs’kyi, I. O., Makarov , V. L., Marchenko, V. O., Pastur, L. A., Perestyuk, M. O., Tymokha, O. M., Khruslov, Ye. Ya., Boichuk, O. A., Gutlyanskii, V. Ya., Kochubei , A. N., Nikitin, A. G., Portenko, M. I., Parasyuk, I. O., Петришин, Р. І., Ronto, M. I., Tkachenko, V. I., Trofymchuk, S. I.

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