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).
Albert Shiryaev Albert Nikolayevich Shiryaev (Russian: Альбе́рт Никола́евич Ширя́ев ; born October 12, 1934) is a Soviet and Russian mathematician. He is known for his work in probability theory, statistics and financial mathematics.