Were Pavel Alexandrov and Yuri Matiyasevich both working in the same area of mathematics?
Yuri Matiyasevich Yuri Vladimirovich Matiyasevich, (Russian: Ю́рий Влади́мирович Матиясе́вич ; born March 2, 1947, in Leningrad) is a Russian mathematician and computer scientist. He is best known for his negative solution of Hilbert's tenth problem (Matiyasevich's theorem), which was presented in his doctoral thesis at LOMI (the Leningrad Department of the Steklov Institute of Mathematics).
Yury Osipov Yury Sergeyevich Osipov (Russian: Ю́рий Серге́евич О́сипов ; born 7 July 1936) is a Soviet and Russian mathematician. He was elected a full member of the Academy of Sciences of the USSR in 1987 and has been president of its successor, the Russian Academy of Sciences, since 17 December 1991.