Anton Davidoglu (June 30, 1876–May 27, 1958) was a

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, a ...

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 ...

who specialized in

differential equation In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions generally represent physical quantities, the derivatives represent their rates of change, a ...

s. He was born in 1876 in

Bârlad Bârlad () is a city in Vaslui County, Romania. It lies on the banks of the river Bârlad, which waters the high plains of Western Moldavia. At Bârlad the railway from Iași diverges, one branch skirting the river Siret, the other skirting ...

Vaslui County Vaslui County () is a county (județ) of Romania, in the historical region Western Moldavia, with the seat at Vaslui. Demographics In 2011, it had a population of 395,499 and the population density was 74/km². * Romanians - over 98% * ...

, the son of Profira Moțoc and Doctor Cleante Davidoglu. His older brother was General

Cleante Davidoglu Cleante Davidoglu (1871–1947) was a Romanian major general during World War I and its immediate aftermath, who served as commander of the Gendarmerie from 1927 to 1928. Biography Early life He was born in Bârlad, Vaslui County, the son of Prof ...

. He studied under

Jacques Hadamard Jacques Salomon Hadamard (; 8 December 1865 – 17 October 1963) was a French mathematician who made major contributions in number theory, complex analysis, differential geometry and partial differential equations. Biography The son of a tea ...

at the

École Normale Supérieure École may refer to: * an elementary school in the French educational stages normally followed by secondary education Secondary education or post-primary education covers two phases on the International Standard Classification of Education sca ...

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...

, defending his Ph.D. dissertation in 1900. His thesis — the first mathematical investigation of deformable solids — applied Émile Picard's method of successive approximations to the study of fourth order differential equations that model traverse vibrations of non-homogeneous elastic bars. After returning to Romania, Davidoglu became a professor at the

University of Bucharest The University of Bucharest ( ro, Universitatea din București), commonly known after its abbreviation UB in Romania, is a public university founded in its current form on by a decree of Prince Alexandru Ioan Cuza to convert the former Princ ...

. In 1913, he was founding

rector Rector (Latin for the member of a vessel's crew who steers) may refer to: Style or title *Rector (ecclesiastical), a cleric who functions as an administrative leader in some Christian denominations *Rector (academia), a senior official in an edu ...

of the Academy of High Commercial and Industrial Studies in Bucharest. He also continued to teach at the University of Bucharest, until his retirement in 1941. Davidoglu was a founding member of the Romanian Academy of Sciences, and was featured on a 1976 Romanian

postage stamp A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail), who then affix the stamp to the ...

Scott Scott may refer to: Places Canada * Scott, Quebec, municipality in the Nouvelle-Beauce regional municipality in Quebec * Scott, Saskatchewan, a town in the Rural Municipality of Tramping Lake No. 380 * Rural Municipality of Scott No. 98, Saska ...

#2613 He died in 1958 in Bucharest.

Publications

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References

1876 births 1958 deaths People from Bârlad Romanian expatriates in France École Normale Supérieure alumni Academic staff of the University of Bucharest 20th-century Romanian mathematicians Mathematical analysts Academic staff of the Bucharest Academy of Economic Studies Members of the Romanian Academy of Sciences {{europe-mathematician-stub