We study Markov symmetrical and nonsymmetrical random evolutions in Rn. Weak convergence\r\nof Markov symmetrical random evolution to Wiener process and of Markov non-symmetrical\r\nrandom evolution to a diffusion process with drift is proved using problems of singular\r\nperturbation for the generators of evolutions. Relative compactness in DRnÃ?â??T0,8 of the families\r\nof Markov random evolutions is also shown.
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