Which mathematician contributed most to the decidability of various algebraic groups, Anatoly Maltsev or Semyon Aranovich Gershgorin?
Semyon Aranovich Gershgorin Semyon Aronovich Gershgorin (August 24, 1901 – May 30, 1933) was a Soviet (born in Pruzhany, Belarus, Russian Empire) mathematician. He began as a student at the Petrograd Technological Institute in 1923, became a Professor in 1930, and was given an appointment at the Leningrad Mechanical Engineering Institute in the same year. His contributions include the Gershgorin circle theorem.
Anatoly Sukhorukov Anatoly Petrovich Sukhorukov (Russian: Анато́лий Петро́вич Сухору́ков , 29 November 1935 – 10 April 2014) was a Soviet and Russian physicist who made fundamental contributions to the development of the theory of waves and nonlinear interactions in optics, radiophysics, and acoustics.