Author

Henri Poincaré cover

photo credits: Unknown - CC-PD-Mark

Henri Poincaré

French mathematician, physicist, engineer, and philosopher of science

1854   -   1912

country of citizenship: France
native language: French
educated at: Mines ParisTech, Science Faculty of Paris, lycée Henri-Poincaré, École Polytechnique
occupation: mathematician, philosopher, astronomer, physicist, engineer, philosopher of science, topologist, university teacher
award received: Poncelet Prize, Sylvester Medal, Commander of the Legion of Honour, Gold Medal of the Royal Astronomical Society, Bruce Medal, Bolyai Prize, Matteucci Medal, Order of the Polar Star, Concours général
position held: president

Jules Henri Poincaré (; French: [ɑ̃ʁi pwɛ̃kaʁe] (listen); 29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as "The Last Universalist," since he excelled in all fields of the discipline as it existed during his lifetime. As a mathematician and physicist, he made many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. He was responsible for formulating the Poincaré conjecture, which was one of the most famous unsolved problems in mathematics until it was solved in 2002–2003 by Grigori Perelman. In his research on the three-body problem, Poincaré became the first person to discover a chaotic deterministic system which laid the foundations of modern chaos theory. He is also considered to be one of the founders of the field of topology. Poincaré made clear the importance of paying attention to the invariance of laws of physics under different transformations, and was the first to present the Lorentz transformations in their modern symmetrical form. Poincaré discovered the remaining relativistic velocity transformations and recorded them in a letter to Hendrik Lorentz in 1905. Thus he obtained perfect invariance of all of Maxwell's equations, an important step in the formulation of the theory of special relativity. In 1905, Poincaré first proposed gravitational waves (ondes gravifiques) emanating from a body and propagating at the speed of light as being required by the Lorentz transformations. The Poincaré group used in physics and mathematics was named after him.
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works

4

The Value of Science

book by Henri Poincaré

author: Henri Poincaré

1905

Science and Hypothesis

book by French mathematician Henri Poincaré

author: Henri Poincaré

Science and Method

book by Henri Poincaré

author: Henri Poincaré

1908

Новая механика

статья Анри Пуанкаре

author: Henri Poincaré

1912

articles

1

Cinquième complément à l’analysis situs ( 1904 )

1904 article by Henri Poincare

author: Henri Poincaré

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