Yurii Oleksiiovych Mitropolskyi was a renowned Soviet and Ukrainian mathematician known for his contributions to the fields of dynamical systems and nonlinear oscillations. He was born in Poltava Governorate and died in Kyiv.
He received his Ph.D. from Kyiv University, under the supervision of theoretical physicist and mathematician Nikolay Bogolyubov. Mitropolskyi is one of the most frequently joint-published mathematicians known, with at least 240 collaborators. Member of the Communist Party since 1945.