Roberval, Gilles Personne de


Roberval, Gilles Personne de

▪ French mathematician
Personne also spelled  Personier  
born Aug. 8, 1602, Roberval, France
died Oct. 27, 1675, Paris

      French mathematician who made important advances in the geometry of curves.

      In 1632 Roberval became professor of mathematics at the Collège de France, Paris, a position he held until his death. He studied the methods of determination of surface area and volume of solids, developing and improving the method of indivisibles used by the Italian mathematician Bonaventura Cavalieri for computing some of the simpler cases. He discovered a general method of drawing tangents (tangent), by treating a curve as the result of the motion of a moving point and by resolving the motion of the point into two simpler components. He also discovered a method for obtaining one curve from another, by means of which planar regions of finite dimensions can be found that are equal in area to the regions between certain curves and their asymptotes (lines that the curves approach but never intersect). To these curves, which were also used to determine areas, the Italian mathematician Evangelista Torricelli gave the name of Robervallian lines.

      Roberval indulged in scientific feuds with several of his contemporaries, among them the French philosopher and mathematician René Descartes. He also invented the balance known by his name (see Roberval balance).

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Universalium. 2010.

Look at other dictionaries:

  • Roberval, Gilles Personne — (1602 1675)    mathematician, physicist    Born in Roberval, Gilles Personne (or Personier de) Roberval for a long time kept his discoveries secret, so it is difficult to date them accurately. He did discover, before Bonaventura Cavalieri, the… …   France. A reference guide from Renaissance to the Present

  • Roberval, Gilles Personne, o Personnier de — ► (1602 75) Matemático francés. Estudió las curvas llamadas robervalianas y determinó la superficie de la cicloide. Inventó la balanza de su nombre …   Enciclopedia Universal

  • Gilles Personne De Roberval — Pour les articles homonymes, voir Personne et Roberval. Portrait de Gilles Personne de Roberval lors de la …   Wikipédia en Français

  • Gilles personne de roberval — Pour les articles homonymes, voir Personne et Roberval. Portrait de Gilles Personne de Roberval lors de la …   Wikipédia en Français

  • Gilles-Personne de Roberval — (* 10. August 1602 in Roberval, Senlis; † 27. Oktober 1675 in Paris) war ein französischer Mathematiker. Roberval entwickelte unabhängig von Evangelista Torricelli eine Methode zur Bestimmung von T …   Deutsch Wikipedia

  • Gilles Personne — de Roberval Gilles Personne de Roberval (* 10. August 1602 in Roberval, Senlis; † 27. Oktober 1675 in Paris) war ein französischer Mathematiker. Roberval entwickelte unabhängig von Evangelista Torricelli eine Methode zur Bestimmung von T …   Deutsch Wikipedia

  • Gilles Personne de Roberval — (* 10. August 1602 in Roberval, Senlis; † 27. Oktober 1675 in Paris) war ein französischer Mathematiker. Roberval entwickelte unabhängig von Evangelista Torricelli eine Methode zur Bestimmung von …   Deutsch Wikipedia

  • Gilles Personne de Roberval — Pour les articles homonymes, voir Personne et Roberval. Portrait de Gilles Personne de Roberval avec les membres de l Académie des sciences vers 1670 (détail) Gilles Per …   Wikipédia en Français

  • Gilles Roberval — Gilles Personne de Roberval Pour les articles homonymes, voir Personne et Roberval. Portrait de Gilles Personne de Roberval lors de la …   Wikipédia en Français

  • Gilles de Roberval — Gilles Personne de Roberval Pour les articles homonymes, voir Personne et Roberval. Portrait de Gilles Personne de Roberval lors de la …   Wikipédia en Français


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