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{{Short description|Polish mathematician (1903–1990)}}
'''Władysław Orlicz''' (] ] in ], ] – ], ] in ], ]) was a ] and ] ] of ].
{{Infobox scientist
| honorific_prefix =
| birth_date = {{birth date|1903|05|24}}
| birth_place = ], ]
| death_date = {{death_date_and_age|1990|08|09 |1903|05|24}}
| death_place = ], ]
| name = Władysław Roman Orlicz
| image = ]
| caption =
| nationality = Polish
| education = ]
| known_for = ]<br />]
| doctoral_advisor = ]<br>]
| academic_advisors =
| awards = ] <small>(1948)</small>
| workplaces = ]<br>]<br>]
| doctoral_students = ]<br>]<br>]
| website =
}}


'''Władysław Roman Orlicz''' (May 24, 1903 – August 9, 1990) was a Polish ] of ]. His main interests were ] and ]: ]s are named after him.<ref>{{Cite journal |last=Maligranda |first=Lech |last2=Wnuk |first2=Witold |date=2004 |title=Władysław Orlicz (1903-1990). A biography |url=https://eudml.org/doc/282016 |journal=Banach Center Publications |volume=64 |issue=1 |pages=13–19 |issn=0137-6934}}</ref>
His main interest was ].


== Education and career ==
{{Ukraine-bio-stub}}
Orlicz was the third of Franciszek and Maria Orlicz's five children. His youngest brother died in the Polish-Soviet War, the eldest perished in the ]. The other brothers also became professors. The family moved several times. Orlicz attended school in ], ], and ], where he finished school in 1920 and began studying mathematics at the ]. He studied with ], ] and ], among others. As early as 1923 he took on small tasks at the Faculty of Mathematics. On August 1, 1925 he became a junior assistant at the Jan Kazimierz University in ] (now ]). He published his first scientific work in 1926 at the age of 23. In 1928 he completed his dissertation on the theory of orthogonal sequences. In 1929 he went to ] on a scholarship and returned to Lemberg in 1930 as a senior assistant. In 1934 he presented his habilitation thesis The investigations of orthogonal systems. The following year he became an assistant professor at the ] and received his teaching license at the ]. In 1937, he became an associate professor at the ].<ref>{{Cite web |title=Władysław Orlicz - Biography |url=https://mathshistory.st-andrews.ac.uk/Biographies/Orlicz/ |access-date=2022-12-24 |website=Maths History |language=en}}</ref>


The outbreak of the ] surprised him while he was on vacation in Lemberg. Since he could not return to Poznań, he was appointed professor in Lemberg. Officially he worked as a teacher. When it became clear in early 1945 that Lemberg would no longer belong to Poland, Orlicz went back to Poznań. In 1948 he was appointed full professor at the ], where he remained until his retirement in 1970. He also worked at the ], which was incorporated into the ] in 1952.<ref>{{Cite web |url=https://www.impan.pl/en/insitute/about-us/history |title=History |website=impan.pl |access-date=7 December 2024}}</ref>
==Work==
⚫ *]
⚫ *]
*]
*] bounded consistency theorem
*]
*]
*]
*]
*], ]s
*]
*]
*] on representation of orthogonal additive functionals and modulars
*]
*]
*]
*]
*]
*]s
*].


Orlicz was awarded the ] by the Polish Mathematical Society in 1948.<ref>{{Cite web |title=Władysław Orlicz {{!}} Polskie Towarzystwo Matematyczne |url=https://www.ptm.org.pl/laureaci/wladyslaw-orlicz |access-date=2022-12-24 |website=www.ptm.org.pl}}</ref>
⚫ == External links ==
*


==See also==
⚫ {{Poland-mathematician-stub}}
⚫ * ]
⚫ * ]
* ]


⚫ ==External links==
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* {{MacTutor|id=Orlicz|title=Władysław Orlicz|date=May 2001}}
⚫ ]
* {{MathGenealogy|id=51907}}
⚫ ]
⚫ ]


== References ==
]
{{reflist}}

{{Authority control}}

{{DEFAULTSORT:Orlicz, Wladyslaw}}
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⚫ {{Poland-mathematician-stub}}

Latest revision as of 15:50, 7 December 2024

Polish mathematician (1903–1990)
Władysław Roman Orlicz
Born(1903-05-24)May 24, 1903
Okocim, Austria-Hungary
DiedAugust 9, 1990(1990-08-09) (aged 87)
Poznań, Poland
NationalityPolish
EducationLviv Polytechnic
Known forOrlicz space
Orlicz–Pettis theorem
AwardsStefan Banach Prize (1948)
Scientific career
InstitutionsLviv Polytechnic
University of Lviv
University of Poznań
Doctoral advisorEustachy Żyliński
Hugo Steinhaus
Doctoral studentsAndrzej Alexiewicz
Zbigniew Ciesielski
Feliks Barański

Władysław Roman Orlicz (May 24, 1903 – August 9, 1990) was a Polish mathematician of Lwów School of Mathematics. His main interests were functional analysis and topology: Orlicz spaces are named after him.

Education and career

Orlicz was the third of Franciszek and Maria Orlicz's five children. His youngest brother died in the Polish-Soviet War, the eldest perished in the Stutthof concentration camp. The other brothers also became professors. The family moved several times. Orlicz attended school in Tarnów, Znojmo, and Lviv, where he finished school in 1920 and began studying mathematics at the Lviv Polytechnic University. He studied with Hugo Steinhaus, Antoni Łomnicki and Stanisław Ruziewicz, among others. As early as 1923 he took on small tasks at the Faculty of Mathematics. On August 1, 1925 he became a junior assistant at the Jan Kazimierz University in Lemberg (now University of Lviv). He published his first scientific work in 1926 at the age of 23. In 1928 he completed his dissertation on the theory of orthogonal sequences. In 1929 he went to University of Göttingen on a scholarship and returned to Lemberg in 1930 as a senior assistant. In 1934 he presented his habilitation thesis The investigations of orthogonal systems. The following year he became an assistant professor at the Lviv Polytechnic University and received his teaching license at the University of Lviv. In 1937, he became an associate professor at the University of Poznań.

The outbreak of the Second World War surprised him while he was on vacation in Lemberg. Since he could not return to Poznań, he was appointed professor in Lemberg. Officially he worked as a teacher. When it became clear in early 1945 that Lemberg would no longer belong to Poland, Orlicz went back to Poznań. In 1948 he was appointed full professor at the University of Poznań, where he remained until his retirement in 1970. He also worked at the State Institute of Mathematics, which was incorporated into the Polish Academy of Sciences in 1952.

Orlicz was awarded the Stefan Banach Prize by the Polish Mathematical Society in 1948.

See also

External links

References

  1. Maligranda, Lech; Wnuk, Witold (2004). "Władysław Orlicz (1903-1990). A biography". Banach Center Publications. 64 (1): 13–19. ISSN 0137-6934.
  2. "Władysław Orlicz - Biography". Maths History. Retrieved 2022-12-24.
  3. "History". impan.pl. Retrieved 7 December 2024.
  4. "Władysław Orlicz | Polskie Towarzystwo Matematyczne". www.ptm.org.pl. Retrieved 2022-12-24.


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