Did both Aleksandr Khinchin and Anatoly Karatsuba specialize in the same sub-field of mathematics?
Aleksandr Khinchin Aleksandr Yakovlevich Khinchin (Russian: Алекса́ндр Я́ковлевич Хи́нчин , French: "Alexandre Khintchine" ; July 19, 1894 – November 18, 1959) was a Soviet mathematician and one of the most significant people in the Soviet school of probability theory.
Gregory Eskin Gregory Eskin (Russian: Григорий Ильич Эскин , born 5 December 1936) is a Russian-Israeli-American mathematician, specializing in partial differential equations.