Mark Krein
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Mark Grigorievich Krein  

The memorial plaque of Mark Krein
 
Born 
Mark Grigorievich Krein 3 April 1907 Kiev, Russian Empire 
Died 
17 October 1989 Odessa, Ukrainian SSR, Soviet Union 
(aged 82)
Residence 
Russian Empire Soviet Union 
Nationality  Soviet Union 
Citizenship  Soviet Union 
Alma mater  I.I. Mechnikov Odessa National University 
Known for 
Krein space Functional analysis Krein's condition 
Awards  Wolf Prize (1982) 
Scientific career  
Fields 
Operator Theory Mathematical Physics 
Institutions 
I.I. Mechnikov Odessa National University Odessa Construction Institute 
Academic advisors  Nikolai Chebotaryov 
Doctoral students 
Vadym Adamyan Israel Gohberg David Milman Mark Naimark 
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 antiSemitic 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.
See also
 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
External links
 O'Connor, John J.; Robertson, Edmund F., "Mark Krein", MacTutor History of Mathematics archive, University of St Andrews.
 Mark Krein at the Mathematics Genealogy Project
 INTERNATIONAL CONFERENCE Modern Analysis and Applications (MAA 2007). Dedicated to the centenary of Mark Krein