Adrien Douady, Date of Birth, Place of Birth, Date of Death

    

Adrien Douady

French mathematician

Date of Birth: 25-Sep-1935

Place of Birth: La Tronche, Auvergne-RhĂ´ne-Alpes, France

Date of Death: 02-Nov-2006

Profession: mathematician, university teacher

Nationality: France

Zodiac Sign: Libra


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About Adrien Douady

  • Adrien Douady (French: [ad?ij?~ dwadi]; 25 September 1935 – 2 November 2006) was a French mathematician.
  • His son, Raphael Douady, is also a mathematician and an economist. Douady was a student of Henri Cartan at the École normale supĂ©rieure, and initially worked in homological algebra.
  • His thesis concerned deformations of complex analytic spaces.
  • Subsequently, he became more interested in the work of Pierre Fatou and Gaston Julia and made significant contributions to the fields of analytic geometry and dynamical systems.
  • Together with his former student John H.
  • Hubbard, he launched a new subject, and a new school, studying properties of iterated quadratic complex mappings.
  • They made important mathematical contributions in this field of complex dynamics, including a study of the Mandelbrot set.
  • One of their most fundamental results is that the Mandelbrot set is connected; perhaps most important is their theory of renormalization of (polynomial-like maps).
  • The Douady rabbit, a quadratic filled Julia set, is named after him. Douady taught at the University of Nice and was a Professor at the Paris-Sud 11 University, Orsay.
  • He was a member of Bourbaki and an invited speaker at the International Congress of Mathematicians in 1966 at Moscow and again in 1986 in Berkeley. He was elected to the AcadĂ©mie des Sciences in 1997, and was featured in the French animation project Dimensions. He died after diving into the cold Mediterranean from a favourite spot near his vacation home in the Var.

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