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François Daviet (1734-1799) was a
Little is known about his life. Born in Savoy, he studied in the '' Accademia di Torino'' under the professorship of
military
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distin ...
officer and 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 ...
from Savoy
Savoy (; frp, Savouè ; french: Savoie ) is a cultural-historical region in the Western Alps.
Situated on the cultural boundary between Occitania and Piedmont, the area extends from Lake Geneva in the north to the Dauphiné in the south.
...
in the 18th century.
The family name is sometimes also reported in original sources as Daviet de Foncenex, probably from the original village of the family.
Life and work
Little is known about his life. Born in Savoy, he studied in the '' Accademia di Torino'' under the professorship of Lagrange
Joseph-Louis Lagrange (born Giuseppe Luigi LagrangiaKingdom of Sardinia
The Kingdom of Sardinia,The name of the state was originally Latin: , or when the kingdom was still considered to include Corsica. In Italian it is , in French , in Sardinian , and in Piedmontese . also referred to as the Kingdom of Savoy-S ...
(the king of Sardinia was the ruler of the Duchy of Savoy
The Duchy of Savoy ( it, Ducato di Savoia; french: Duché de Savoie) was a country in Western Europe that existed from 1416.
It was created when Sigismund, Holy Roman Emperor, raised the County of Savoy into a duchy for Amadeus VIII. The du ...
) and after some promotions in the army, he was governor of Sassari
Sassari (, ; sdc, Sàssari ; sc, Tàtari, ) is an Italian city and the second-largest of Sardinia in terms of population with 127,525 inhabitants, and a Functional Urban Area of about 260,000 inhabitants. One of the oldest cities on the island, ...
(1790–91) and of Villefranche-sur-Mer. In 1792 he participated in the wars against French revolutionary army, and he was judged by treason and imprisoned for one year.
Daviet published in the years 1759-1760 two important papers in the journal of the Academy, ''Miscellanea Taurinensis'': the first one (1759) about imaginary numbers is titled ''Mémoire sur les logarithmes des quantités négatives'' and has an extension titled ''Éclaircissements sur les quantités imaginaires''; more important is the second one, titled ''Sur les principes fondamentaux de la méchanique'' (1761). In four sections (law of inertia, composition of forces, equilibrium and law of the lever) he tried to establish the ''a priori'' fundamental laws of mechanics., pages 398-399.
In 1789 he published a paper: ''Récit d'une foudre ascendante éclatée sur la tour du fanal de Villefranche''.
Finally, in 1799, the academy published an ensemble of many of his works, named ''Principes fondamentaux de la méchanique''.
References
Bibliography
* * *External links
* * {{DEFAULTSORT:Daviet De Foncenex, Francois 1734 births 1799 deaths 18th-century French people 18th-century mathematicians