| 词条 | Frigyes Riesz |
| 释义 |
|name = Frigyes Riesz |image = Frigyes Riesz.jpeg |image_size = |caption = |birth_date = {{birth date|1880|1|22|df=y}} |birth_place = Győr, Austria-Hungary |death_date = {{death date and age|1956|2|28|1880|1|22|df=y}} |death_place = Budapest, Hungary |residence = Hungary |citizenship = Hungarian |nationality = |ethnicity = |field = Mathematics |work_institutions = |alma_mater = |doctoral_advisor = Gyula Vályi |doctoral_students = János Aczél Steven Gaal Tibor Radó Alfréd Rényi |known_for = functional analysis integral equations ergodic theory Riesz representation theorem Riesz–Fischer theorem Riesz space Hardy space Lp space Riesz's lemma Radon–Riesz property proximity space F. and M. Riesz theorem |author_abbrev_bot = |author_abbrev_zoo = |prizes = |religion = |footnotes = }} Frigyes Riesz ({{lang-hu|Riesz Frigyes}}, {{IPA-hu|ˈriːs ˈfriɟɛʃ|pron}}; 22 January 1880 – 28 February 1956) was a Hungarian[1][2] mathematician who made fundamental contributions to functional analysis, as did his younger brother Marcel Riesz. Life and careerHe was born into a Jewish family in Győr, Austria-Hungary and died in Budapest, Hungary. Between 1911 and 1919 he was a professor at the Franz Joseph University in Kolozsvár, Austria-Hungary. The post-WW1 Treaty of Trianon transferred former Austro-Hungarian territory including Kolozsvár to the Kingdom of Romania, whereupon Kolozsvár's name changed to Cluj and the University of Kolozsvár moved to Szeged, Hungary, becoming the University of Szeged.[3] Then, Riesz was the rector and a professor at the University of Szeged, as well as a member of the Hungarian Academy of Sciences.[3] and the Polish Academy of Learning. He was the older brother of the mathematician Marcel Riesz. Riesz did some of the fundamental work in developing functional analysis and his work has had a number of important applications in physics. He established the spectral theory for bounded symmetric operators in a form very much like that now regarded as standard.[1] He also made many contributions to other areas including ergodic theory and he gave an elementary proof of the mean ergodic theorem. Riesz founded the Acta Scientiarum Mathematicarum journal together with Alfréd Haar. He had an uncommon method of giving lectures: he entered the lecture hall with an assistant and a docent. The docent then began reading the proper passages from Riesz's handbook and the assistant wrote the appropriate equations on the blackboard—while Riesz himself stood aside, nodding occasionally.[4] The Swiss-American mathematician Edgar Lorch spent 1934 in Szeged working under Riesz and wrote a reminiscence about his time there, including his collaboration with Riesz.[5] Publications{{refbegin}}
See also
References1. ^1 Eberhard Zeidler: Nonlinear Functional Analysis and Its Applications: Linear monotone operators. Springer, 1990 [https://books.google.com/books?id=sk1M2Vw-Y24C&pg=PA13] 2. ^[https://books.google.com/books?id=t4YZUcjx6poC&pg=PT409 Calendar of Historical Events, Births, Holidays and Observances] 3. ^János Horváth: A Panorama of Hungarian Mathematics in the Twentieth Century, Volume 1, Springer, 2006 [https://books.google.com/books?id=EWm4WzSaG3IC&pg=PA581] 4. ^{{cite journal |last=Wróblewski |first=Andrzej Kajetan |date=September 2008 |title=Czyściec, niebo i piekło |journal=Wiedza i Życie |pages=65}} 5. ^1 {{cite journal |last=Lorch |first=Edgar R.|editor-last=Hersh |editor-first=Rubem |year=1993 |title=Szeged in 1934 |journal=Amer. Math. Monthly |doi=10.2307/2324453 |jstor=2324453 |volume=100 |issue=3 |pages=219–230 |url=http://www.maa.org/programs/maa-awards/writing-awards/szeged-in-1934}} External links
16 : 1880 births|1956 deaths|University of Szeged faculty|19th-century mathematicians|20th-century Hungarian mathematicians|20th-century Hungarian people|Mathematical analysts|Functional analysts|Operator theorists|People from Budapest|Members of the Hungarian Academy of Sciences|Burials at Kerepesi Cemetery|Franz Joseph University faculty|Rectors of the Franz Joseph University|Austro-Hungarian mathematicians|Hungarian Jews |
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