Maurice Janet (1888–1983) was a French mathematician.
Education and career
In 1912 as a student he visited the
University of Göttingen
The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded i ...
. He was a professor at the
University of Caen. He was an Invited Speaker of the
International Congress of Mathematicians
The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU).
The Fields Medals, the Nevanlinna Prize (to be renam ...
in 1924 in
Toronto
Toronto ( ; or ) is the capital city of the Canadian province of Ontario. With a recorded population of 2,794,356 in 2021, it is the most populous city in Canada and the fourth most populous city in North America. The city is the anc ...
, in 1932 in
Zürich
, neighboring_municipalities = Adliswil, Dübendorf, Fällanden, Kilchberg, Maur, Oberengstringen, Opfikon, Regensdorf, Rümlang, Schlieren, Stallikon, Uitikon, Urdorf, Wallisellen, Zollikon
, twintowns = Kunming, San Francisco
Zü ...
, and in 1936 in
Oslo
Oslo ( , , or ; sma, Oslove) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of ...
.
Named in his honor are
Janet bases, Janet sequences and a related algorithm in the theory of systems of partial differential equations. In 1926 he proved results that were later generalized by
John Forbes Nash Jr. in his
embedding theorem.
In 1948 Janet was the president of the
Société Mathématique de France
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 SA.
Lactalis is the largest dairy products group in the world, and is the se ...
. He was a close friend of the mathematician
Ernest Vessiot
Ernest Vessiot (; 8 March 1865 – 17 October 1952) was a French mathematician. He was born in Marseille, France, and died in La Bauche, Savoie, France. He entered the École Normale Supérieure in 1884.
He was Maître de Conférences at Lille ...
.
Selected publications
Articles
Les systèmes d'équations aux dérivées partielles Journal de mathématiques pures et appliquées 8 ser., t. 3 (1920), pages 65–123. (paper in which what is now called the ''Janet basis'' was introduced)
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Books
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References
External links
BNF
{{DEFAULTSORT:Janet, Maurice
20th-century French mathematicians
1888 births
1983 deaths
University of Caen Normandy faculty
PDE theorists