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|Mark Grigorievich Krein|
The memorial plaque of Mark Krein
|Born||Mark Grigorievich Krein
April 3, 1907
Kiev, Russian Empire
|Died||October 17, 1989
Odessa, Ukrainian SSR, Soviet Union
|Institutions||I.I. Mechnikov Odessa National University
Odessa Construction Institute
|Alma mater||I.I. Mechnikov Odessa National University|
|Academic advisors||Nikolai Chebotaryov|
|Doctoral students||Vadym Adamyan
|Known for||Krein space
|Notable awards||Wolf Prize (1982)|
Mark Grigorievich Krein (Ukrainian: Марко Григорович Крейн, Russian: Марк Григо́рьевич Крейн; 3 April 1907 – 17 October 1989) was a Soviet Jewish mathematician, one of the major figures of the Soviet school of functional analysis. He is known for works in operator theory (in close connection with concrete problems coming from mathematical physics), the problem of moments, classical analysis and representation theory.
He was born in Kiev, leaving home at age 17 to go to Odessa. He had a difficult academic career, not completing his first degree and constantly being troubled by anti-Semitic discrimination. His supervisor was Nikolai Chebotaryov.
He died in Odessa.
On 14 January 2008, the memorial plaque of Mark Krein was unveiled on the main administration building of I.I. Mechnikov Odessa National University.
- Tannaka–Krein duality
- Krein–Milman theorem and Krein–Rutman theorem in functional analysis
- Krein space
- Krein's condition for the indeterminacy of the problem of moments