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Mark Krein

Mark Grigorievich Krein
Krein memorial plaque for wiki 2008.jpg
The memorial plaque of Mark Krein
Born Mark Grigorievich Krein
(1907-04-03)April 3, 1907
Kiev, Russian Empire
Died October 17, 1989(1989-10-17) (aged 82)
Odessa, Ukrainian SSR, Soviet Union
Residence Russian Empire
Soviet Union
Citizenship Soviet Union
Nationality Soviet Union
Fields Operator Theory
Mathematical Physics
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
Damir Arov
Yurij Berezansky
Izrail Glazman
Israel Gohberg
David Milman
Mark Naimark
Known for Krein space
Functional analysis
Krein's condition
Notable awards Wolf Prize (1982)

Mark Grigorievich Krein (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 was awarded the Wolf Prize in Mathematics in 1982 (jointly with Hassler Whitney), but was not allowed to attend the ceremony.

David Milman, Mark Naimark, Izrail Glazman, Moshe Livshits and other known mathematicians were his students.

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.


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