Tiberiu Popoviciu

{{short description|Romanian mathematician}}

{{Infobox scientist

|name = Tiberiu Popoviciu

|image = Tiberiu Popoviciu (1906-1975).jpg

|image_size = 150px

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|birth_date = {{birth date |1906|2|16|mf=y}}

|birth_place = Arad, Hungary

|death_date = {{death date and age |1975|10|29|1906|2|16|mf=y}}

|death_place = Cluj-Napoca, Socialist Republic of Romania

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|resting_place = Hajongard Cemetery, Cluj-Napoca

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|nationality = Romanian

|alma_mater = Paris-Sorbonne University
University of Bucharest

|thesis_title = Sur quelques propriétés des fonctions d'une ou de deux variables réelles

|thesis_url = http://www.numdam.org/article/THESE_1933__146__1_0.pdf

|thesis_year = 1933

|doctoral_advisor = Paul Montel

|doctoral_students = Elena Moldovan Popoviciu

|known_for = Popoviciu's inequality
Popoviciu's inequality on variances

|field = Mathematics

|workplaces = University of Cernăuți
University of Bucharest
University of Iași
University of Cluj

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| spouse = Elena Moldovan Popoviciu

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}}

Tiberiu Popoviciu (February 16, 1906–October 29, 1975) was a Romanian mathematician{{citation|url=http://www.cs.ubbcluj.ro/profesor-tiberiu-popoviciu/|title=Profesor Tiberiu Popoviciu|first=Wolfgang|last=Breckner|publisher=Babeș-Bolyai University, Faculty of Mathematics and Informatics|accessdate=2015-04-19}}. and the namesake of Popoviciu's inequality and Popoviciu's inequality on variances.

The Tiberiu Popoviciu High School of Computer Science in Cluj-Napoca is named after him.[http://www.li.cj.edu.ro/index.php/despre-noi/istoric Istoric], Tiberiu Popoviciu High School of Computer Science (in Romanian), retrieved 2015-04-19.

In 1951 he founded a research institute which now bears his name: Tiberiu Popoviciu Institute of Numerical Analysis.