Dragoslav S. Mitrinović (

Serbian Cyrillic The Serbian Cyrillic alphabet (, ), also known as the Serbian script, (, ), is a standardized variation of the Cyrillic script used to write the Serbian language. It originated in medieval Serbia and was significantly reformed in the 19th cen ...

: Драгослав Митриновић; 23 June 1908 – 2 April 1995) was a

Serbia , image_flag = Flag of Serbia.svg , national_motto = , image_coat = Coat of arms of Serbia.svg , national_anthem = () , image_map = , map_caption = Location of Serbia (gree ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

known for his work in differential equations,

functional equations In mathematics, a functional equation is, in the broadest meaning, an equation in which one or several functions appear as unknowns. So, differential equations and integral equations are functional equations. However, a more restricted meaning ...

complex analysis Complex analysis, traditionally known as the theory of functions of a complex variable, is the branch of mathematical analysis that investigates functions of complex numbers. It is helpful in many branches of mathematics, including algebraic ...

. He authored near 300 scientific journal papers and more than twelve books in his area.

Biography

Born in

Smederevo Smederevo ( sr-Cyrl, Смедерево, ) is a list of cities in Serbia, city and the administrative center of the Podunavlje District in eastern Serbia. It is situated on the right bank of the Danube, about downstream of the Serbian capital, ...

, he studied in

Pristina Pristina or Prishtina ( , ), . is the capital and largest city of Kosovo. It is the administrative center of the eponymous municipality and District of Pristina, district. In antiquity, the area of Pristina was part of the Dardanian Kingdo ...

and

Vranje Vranje ( sr-Cyrl, Врање, ) is a city in Southern Serbia and the administrative center of the Pčinja District. According to the 2022 census, the city itself has a population of 55,214 while the city administrative area has 74,381 inhabitan ...

, graduating in

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

at the

University of Belgrade The University of Belgrade () is a public university, public research university in Belgrade, Serbia. It is the oldest and largest modern university in Serbia. Founded in 1808 as the Belgrade Higher School in revolutionary Serbia, by 1838 it me ...

Faculty of Philosophy A faculty is a division within a university or college comprising one subject area or a group of related subject areas, possibly also delimited by level (e.g. undergraduate). In North America, academic divisions are sometimes titled colleges, sc ...

(1932). He earned a Ph.D. (1933) on a study of differential equations entitled ''Istraživanja o jednoj važnoj diferencijalnoj jednačini prvog reda'' (that is, ''Investigations of an important differential equation of the first order''), advised by

Mihailo Petrović Mihailo ( sr-cyr, Михаило) is a South Slavic masculine given name. It is a variant of the Hebrew name ''Michael'', and its cognates include Mihajlo and Mijailo. Common as a given name among Serbs, it is an uncommon surname. Notable peopl ...

. He then worked as a secondary school teacher until 1946, when he visited

University of Paris The University of Paris (), known Metonymy, metonymically as the Sorbonne (), was the leading university in Paris, France, from 1150 to 1970, except for 1793–1806 during the French Revolution. Emerging around 1150 as a corporation associated wit ...

(1946) before joining the faculty at

Skopje University The Saints Cyril and Methodius University () is a public research university in Skopje, North Macedonia. It is the oldest and largest public university in the country. It is named after the Byzantine Christian theologians and missionaries Cyri ...

Macedonia Macedonia (, , , ), most commonly refers to: * North Macedonia, a country in southeastern Europe, known until 2019 as the Republic of Macedonia * Macedonia (ancient kingdom), a kingdom in Greek antiquity * Macedonia (Greece), a former administr ...

where he founded the school of mathematics and two journals, eventually being elected to the

Macedonian Academy of Sciences and Arts The Macedonian Academy of Sciences and Arts () is an academic institution in North Macedonia. History The Academy of Sciences and Arts was established by the Socialist Republic of Macedonia's assembly on 23 February 1967 as the highest scientifi ...

. He then worked for the

University of Belgrade Faculty of Electrical Engineering The University of Belgrade School of Electrical Engineering also known as Faculty of Electrical Engineering (/''Elektrotehnički fakultet Univerziteta u Beogradu'') is a constituent body of the University of Belgrade. The word Faculty in Europe s ...

(1951–78), where he also became head of the math department (1953) and the founder of the Belgrade School of Functional Equations, Differential Equations and Inequalities, as well the School of Mathematics (1960). He also headed the math department at

University of Niš The University of Niš () is a public university in Serbia. It was founded in 1965. As of the 2018-19 school year, it consists of 13 faculties with 1,492 academic staff and around 20,500 students. It has a university library "Nikola Tesla"; th ...

(1965–75). He was also affiliated with

American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...

and

Société Mathématique de France Groupe Lactalis S.A. (doing business as Lactalis) is a French multinational dairy products corporation, owned by the Besnier family and based in Laval, Mayenne, France. The company's former name was Besnier S.A. Lactalis is the largest dairy pr ...

. He was among the founders of the Serbian Scientific Society, the Mathematical documentation center of the Society of Mathematicians and

Physicists A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

of Serbia, the President of the Society of Mathematicians and Physicists of Macedonia, the President of the Commission for Mathematics of the Federal Council for the Coordination of Scientific Research. Mitrinović was author or co-author of several well regarded monographs on analytic and geometric inequalities.

References

{{DEFAULTSORT:Mitrinovic, Dragoslav 20th-century Serbian mathematicians Academic staff of the University of Belgrade Academic staff of the University of Niš 1908 births 1995 deaths University of Belgrade Faculty of Philosophy alumni Academic staff of the Ss. Cyril and Methodius University of Skopje Yugoslav mathematicians