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{{Short description|Polish Mathematician (1904–1956)}}
{{Redirect|Hurewicz|people with similar names|J. C. Hurewitz|and|Hurwitz}}
{{
{{infobox scientist
|name = Witold Hurewicz
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|death_place=[[Uxmal]], [[Mexico]]
|field=[[Mathematics]]
|known_for=[[Hurewicz theorem]]<br>[[Hurewicz space]]
|thesis_title=Über eine Verallgemeinerung des Borelschen Theorems
|thesis_url=
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==Early life and education==
Witold Hurewicz was born in [[Łódź]], at the time one of the main Polish industrial hubs with economy focused on the textile industry. His father
Hurewicz attended school in a German-controlled Poland but with [[World War I]] beginning before he had begun [[secondary school]], major changes occurred in Poland. In August 1915 the Russian forces that had held Poland for many years withdrew. [[Germany]] and [[Austria-Hungary]] took control of most of the country and the [[University of Warsaw]] was refounded and it began operating as a Polish university. Rapidly, a [[Warsaw School (mathematics)|strong school of mathematics]] grew up in the University of Warsaw, with [[topology]] one of the main topics. Although Hurewicz knew intimately the topology that was being studied in Poland he chose to go to [[Vienna]] to continue his studies.
He studied under [[Hans Hahn (mathematician)|Hans Hahn]] and [[Karl Menger]] in [[Vienna]], receiving a [[
==Career==
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"...a remarkable result of this first period [1930] is his [[topological embedding]] of [[separable space|separable]] [[metric spaces]] into [[compact spaces]] of the same ([[finite set|finite]]) [[dimension]].*"
In the field of [[general topology]] his contributions are centred on [[dimension theory]]. He wrote an important text with [[Henry Wallman]], ''
Hurewicz is best remembered for three remarkable contributions to mathematics: his discovery of the [[higher homotopy groups]] in 1935–36, his discovery of the [[Homotopy long exact sequence#Long exact sequence of a fibration|long exact homotopy sequence]] for
In the late 1940s, he was the doctoral advisor of [[Yael Dowker]].
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Hurewicz had a second textbook published, but this was not until 1958 after his death. ''Lectures on [[ordinary differential equations]]''<ref>{{cite journal|author=Coddington, Earl A.|title=Review: ''Lectures on ordinary differential equations'', by W. Hurewicz|journal=Bull. Amer. Math. Soc.|year=1959|volume=65|issue=1|pages=25–26|url=http://www.ams.org/journals/bull/1959-65-01/S0002-9904-1959-10266-4/|doi=10.1090/s0002-9904-1959-10266-4|doi-access=free}}</ref> is an introduction to ordinary differential equations that again reflects the clarity of his thinking and the quality of his writing.
He died after participating in the
==See also==
*[[Zygmunt Janiszewski]]
==References==
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* {{MacTutor Biography|id=Hurewicz}}
* {{MathGenealogy|id=5856}}
* {{cite journal | last1 = Lefschetz | first1 = Solomon | author-link = Solomon Lefschetz | year = 1957 | title = Witold Hurewicz, In memoriam | url = http://projecteuclid.org/euclid.bams/1183521492 | journal = Bull. Amer. Math. Soc. | volume = 63 | issue = 2 | pages = 77–82 | doi=10.1090/s0002-9904-1957-10101-3| doi-access = free }}
* [[Krystyna Kuperberg]] (ed.): ''[http://www.ams.org/bookstore?fn=20&arg1=geotopo&ikey=CWORKS-4 Collected Works of Witold Hurewicz]'', 1995, {{ISBN|0-8218-0011-6}}
* {{DNB-Portal|11945291X}}
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[[Category:American people of Polish-Jewish descent]]
[[Category:Polish expatriates in the United States]]
[[Category:Academic staff of the University of Amsterdam
[[Category:University of Vienna alumni]]
[[Category:Massachusetts Institute of Technology faculty]]
[[Category:Institute for Advanced Study faculty]]
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