Georgy Voronoy

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Georgy Voronoy
Georgy Voronoy.jpg
Born Georgy Feodosevich Voronoy (Гео́ргий Феодо́сьевич Вороно́й)
(1868-04-28)28 April 1868
Zhuravka, Poltava Governorate, Russian Empire
Died 20 November 1908(1908-11-20) (aged 40)
Warsaw, Congress Poland, Russian Empire
Other names Georgiy Feodosiyovich Voronyi (Георгій Феодосійович Вороний; name in Ukrainian)
Alma mater Saint Petersburg University
Known for Voronoi diagram (Voronoy tesselation)
Voronoi iteration
Voronoi formula
Scientific career
Fields Continued fractions
Institutions University of Warsaw
Doctoral advisor Andrey Markov
Doctoral students Wacław Sierpiński
Boris Delaunay

Georgy Feodosevich Voronoy (Russian: Гео́ргий Феодо́сьевич Вороно́й; 28 April 1868 – 20 November 1908) was a mathematician noted for defining the Voronoi diagram.[1]


Voronoy was born in the village of Zhuravka, district of Pyriatyn, in Poltava Governorate of the Russian Empire (now Varva Raion, Chernihiv Oblast, Ukraine).

From 1889, Voronoy studied at Saint Petersburg University, where he was a student of Andrey Markov. In 1894 he defended his master's thesis On algebraic integers depending on the roots of an equation of third degree. In the same year, Voronoy became a professor at the University of Warsaw, where he worked on continued fractions. In 1897, he defended his doctoral thesis On a generalisation of a continuous fraction. He was an Invited Speaker of the ICM in 1904 at Heidelberg.[2]

Following a severe illness, Voronoy died on November 20, 1908.

Two-hryvnia coin commemorating the centenary of Voronoy

Among his students was Wacław Sierpiński (Ph.D. at Jagiellonian University in 1906). Although he was not formally the doctoral advisor of Boris Delaunay (Ph.D. at Kiev University), his influence on the latter earns him the right to be considered so.[3]

In 2008 Ukraine released two-hryvnia coins commemorating the centenary of Voronoy's death.[4]


  1. ^ G.F. Voronoi (1908). "Nouvelles applications des paramètres continus à la théorie de formes quadratiques". Journal für die reine und angewandte Mathematik. 134: 198&ndash, 287.
  2. ^ "Sur une propriété du discriminant des fonctions entières par G. Voronoi". Verhandlungen des dritten Mathematiker-Kongresses in Heidelberg von 8. bis 13. August 1904. Leipzig: B. G. Teubner. 1905. pp. 186–189.
  3. ^ Liebling, Thomas; Pournin, Lionel (2012). "Voronoi diagrams and Delaunay triangulations: ubiquitous Siamese twins" (PDF). Optimization Stories. Documenta Mathematica. Extra Volume ISMP. pp. 419–431. Archived from the original (PDF) on 2017-08-09.
  4. ^ Национальный банк Украины ввел в оборот монету “Георгий Вороной” Archived 2011-07-08 at the Wayback Machine.

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