- Frigyes Riesz
Infobox Scientist
name = Frigyes Riesz
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birth_date =1880-01-22
birth_place =Győr ,Hungary (Austria-Hungary )
death_date = death date and age|1956|2|28|1880|1|22
death_place =Budapest ,Hungary
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field =Mathematics
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doctoral_advisor =Gyula Vályi
doctoral_students =János Aczél Steven Gaal Tibor Radó Alfréd Rényi
known_for = functional analysis,integral equation s,ergodic theory
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footnotes =Frigyes Riesz (
January 22 ,1880 –February 28 ,1956 ) was amathematician who was born inGyőr ,Hungary (Austria-Hungary ) and died inBudapest ,Hungary . He wasrector andprofessor atUniversity of Szeged . He was the older brother of the mathematicianMarcel Riesz .Riesz did some of the fundamental work in developing
functional analysis and his work has had a number of important applications in physics. His work built on ideas which had been introduced byFréchet ,Lebesgue ,Hilbert and others. He also made many contributions to other areas includingergodic theory and he gave an elementary proof of the mean ergodic theorem.See also
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Riesz representation theorem
*F. and M. Riesz theorem
*Riesz-Fischer theorem
*Riesz-Thorin theorem
*Riesz space Publications
*cite book | author = F. Riesz, B. Sz-Nagy | title = Functional Analysis | publisher = Dover | year = 1990 | id=ISBN 0-486-66289-6External links
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*MacTutor Biography|id=Riesz
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