Which of the following is known for his work on the decidability of algebraic groups: Anatoly Maltsev or Vladimir Levenshtein?
Vladimir Levenshtein Vladimir Iosifovich Levenshtein (Russian: Влади́мир Ио́сифович Левенште́йн ; ] ; born 1935) is a Russian scientist who has done research in information theory, error-correcting codes, and combinatorial design. Among other contributions, he is known for the Levenshtein distance and a Levenshtein algorithm, which he developed in 1965.
G. V. Belyi Gennadii Vladimirovich Belyi (1951–2001, Ukrainian: Генадій Володимирович Білий , Russian: Геннадий Владимирович Белый ) was a Soviet, Ukrainian, and Russian mathematician, known for Belyi's theorem on the representation of algebraic curves as Riemann surfaces and for the Belyi functions arising in that theorem.