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.
Vera Faddeeva Vera Faddeeva (Russian: Вера Николаевна Фаддеева ; Vera Nikolaevna Faddeeva; 1906–1983) was a Soviet mathematician from a family of mathematicians. Faddeeva published some of the first work in the field of linear algebra. Her 1950 work, "Computational methods of linear algebra" was widely acclaimed and she won a USSR State Prize for it. Between 1962 and 1975, she prepared many research papers with her husband, Dmitry Konstantinovich Faddeev.