Sergei Adian

Sergei Ivanovich Adian, also Adyan (Armenian: Սերգեյ Իվանովիչ Ադյան; Russian: Серге́й Ива́нович Адя́н; 1 January 1931 – 5 May 2020) was a Soviet and Russian mathematician. He was a professor at the Moscow State University. He was known for his work in group theory, especially on the Burnside problem.

Adian died on 5 May 2020, aged 89.