Were Pavel Alexandrov and Yuri Matiyasevich both working in the same area of mathematics?
Pavel Alexandrov Pavel Sergeyevich Alexandrov (Russian: Па́вел Серге́евич Алекса́ндров ), sometimes romanized Paul Alexandroff or Aleksandrov (7 May 1896 – 16 November 1982), was a Soviet mathematician. He wrote about three hundred papers, making important contributions to set theory and topology.
Yuri Gastev Yuri Gastev (22 March 1928, Moscow-12 October 1993, Boston) was a Russian mathematician and cybernetician who became an active dissident, finally emigrating to the USA.