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Poincaré made many contributions to different fields of pure and applied mathematics such as: celestial mechanics, fluid mechanics, optics, electricity, telegraphy, capillarity, elasticity, thermodynamics, potential theory, quantum theory, theory of relativity and physical cosmology .
May 16, 2024 · Henri Poincaré was a French mathematician, one of the greatest mathematicians and mathematical physicists at the end of 19th century. He made a series of profound innovations in geometry, the theory of differential equations, electromagnetism, topology, and the philosophy of mathematics.
Le 1er octobre 1904, Henri Poincaré est nommé professeur d'astronomie générale sans traitement à l'École polytechnique, ceci afin d'éviter la suppression de la chaire. De 1900 à 1908, il applique ses travaux à la télégraphie sans fil, ce qui permet d'établir l'existence de régimes d'ondes entretenues 20, 21 .
Sep 3, 2013 · Henri Poincaré was a mathematician, theoretical physicist and a philosopher of science famous for discoveries in several fields and referred to as the last polymath, one who could make significant contributions in multiple areas of mathematics and the physical sciences. This survey will focus on Poincaré’s philosophy.
Poincaré introduced the fundamental group (or first homotopy group) in his paper of 1894 to distinguish different categories of 2-dimensional surfaces. He was able to show that any 2-dimensional surface having the same fundamental group as the 2-dimensional surface of a sphere is topologically equivalent to a sphere.
Henri Poincaré was a mathematical genius who made the greatest advances in celestial mechanics since the time of Isaac Newton. His work on the n-body problem, whose ultimate aim was to determine if the solar system was stable, led to Chaos theory – Poincaré gave the first mathematical description of a dynamic system behaving chaotically.
Jules Henri Poincaré (1854—1912) Poincaré was an influential French philosopher of science and mathematics, as well as a distinguished scientist and mathematician. In the foundations of mathematics he argued for conventionalism, against formalism, against logicism, and against Cantor’s treating his new infinite sets as being independent ...
