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Jules Henri Poincare

Jules Henri PoincareJules Henri Poincare (1854-1912).

Poincare was born on April 29,1854 in Nancy. Poincare’s family was influential. His cousin Raymond was the President and the Prime Minister of France, and his father Leon was a professor of medicine at the University of Nancy. His sister Aline married the spiritualist philosopher Emile Boutroux.

Poincare studied mining engineering, mathematics and physics in Paris. Beginning in 1881, he taught at the University of Paris. There he held the chairs of Physical and Experimental Mechanics, Mathematical Physics and Theory of Probability, and Celestial Mechanics and Astronomy.

At the beginning of his scientific career, in his doctoral dissertation of 1879, Poincare devised a new way of studying the properties of functions defined by differential equations. He not only faced the question of determining the integral of such equations, but also was the first person to study the general geometric properties of these functions. He clearly saw that this method was useful in the solution of problems such as the stability of the solar system, in which the question is about the qualitative properties of planetary orbits (for example, are orbits regular or chaotic?) and not about the numerical solution of gravitational equations. During his studies on differential equations, Poincare made use of Lobachevsky’s non-Euclidean geometry. Later, Poincare applied to celestial mechanics the methods he had introduced in his doctoral dissertation. His research on the stability of the solar system opened the door to the study of chaotic deterministic systems; and the methods he used gave rise to algebraic topology.

Poincare sketched a preliminary version of the special theory of relativity and stated that the velocity of light is a limit velocity and that mass depends on speed. He formulated the principle of relativity, according to which no mechanical or electromagnetic experiment can discriminate between a state of uniform motion and a state of rest, and he derived the Lorentz transformation. His fundamental theorem that every isolated mechanical system returns after a finite time (the Poincare Recurrence Time) to its initial state is the source of many philosophical and scientific analyses on entropy. Finally, he clearly understood how radical is quantum theory’s departure from classical physics.

Poincare was deeply interested in the philosophy of science and the foundations of mathematics. He argued for conventionalism and against both formalism and logicism. Cantor’s set theory was also an object of his criticism. He wrote several articles on the philosophical interpretation of mathematical logic. During his life, he published three books on the philosophy of science and mathematics.

He died on July 17, 1912 in Paris.

A fourth book was published posthumously in 1913.

Table of Contents

  • 1 Major Works of Jules Henri Poincare
    • 1.1 Related:
  • 2 Videos
  • 3 Related Products
    • 3.1 Jules Henri Poincare N(1854-1912) French Mathematician Poster Print by (18 x 24)
    • 3.2 The Value of Science (Modern Library) by Jules Henri Poincare (2-Nov-2001) Paperback
    • 3.3 Thermodynamique: Leçons professées pendant le premier semestre 1888-89 (French Edition)
    • 3.4 Jules Henri Poincare N(1854-1912) French Mathematician Poster Print by (24 x 36)
    • 3.5 Science and Hypothesis by Jules Henri Poincare (1998-02-07)
    • 3.6 Science and Method by Jules Henri Poincare (2003-12-01)
    • 3.7 Posterazzi Poster Print Collection Jules Henri Poincare/N(1854-1912). French Mathematician. Autograph Signature, (18 x 24), Multicolored
    • 3.8 La science et l'hypothèse (Champs sciences) (French Edition)
    • 3.9 Invariantentheorie als Grundlage des Konventionalismus: Überlegungen zur Wissenschaftstheorie Jules Henri Poincarés (Kleine Arbeiten zur Philosophie) (German Edition)
    • 3.10 INFINITE PHOTOGRAPHS Photo: Jules Henri Poincare,1854-1912,French Mathematician

Major Works of Jules Henri Poincare

– The Foundations of Science

Related:

  • Alfred Jules Ayer
  • Henri Bergson
  • conventionalism
  • James Clerk Maxwell
  • Pierre-Maurice Duhem

  • Videos

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    Jules Henri Poincare N(1854-1912) French Mathematician Poster Print by (18 x 24)

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    The Value of Science (Modern Library) by Jules Henri Poincare (2-Nov-2001) Paperback

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    Thermodynamique: Leçons professées pendant le premier semestre 1888-89 (French Edition)

    Thermodynamique: Leçons professées pendant le premier semestre 1888-89 (French Edition)

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    Jules Henri Poincare N(1854-1912) French Mathematician Poster Print by (24 x 36)

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    Science and Hypothesis by Jules Henri Poincare (1998-02-07)

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    Science and Method by Jules Henri Poincare (2003-12-01)

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    Posterazzi Poster Print Collection Jules Henri Poincare/N(1854-1912). French Mathematician. Autograph Signature, (18 x 24), Multicolored

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    • Print Title: Jules Henri Poincare /N(1854-1912) French Mathematician Autograph Signature
    • Print Type: Fine Art Print
    • Paper Size: 18.00 x 24.00 inches
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    La science et l'hypothèse (Champs sciences) (French Edition)

    La science et l'hypothèse (Champs sciences) (French Edition)

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    Invariantentheorie als Grundlage des Konventionalismus: Überlegungen zur Wissenschaftstheorie Jules Henri Poincarés (Kleine Arbeiten zur Philosophie) (German Edition)

    Invariantentheorie als Grundlage des Konventionalismus: Überlegungen zur Wissenschaftstheorie Jules Henri Poincarés (Kleine Arbeiten zur Philosophie) (German Edition)

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    INFINITE PHOTOGRAPHS Photo: Jules Henri Poincare,1854-1912,French Mathematician

    INFINITE PHOTOGRAPHS Photo: Jules Henri Poincare,1854-1912,French Mathematician

    • Photograph Size: 8x10 | Ready to frame in any standard size frame | Frame Not Included
    • Photograph Description: Jules Henri Poincare, 1854-1912, head-and-shoulders portrait, facing left Date Created Published: between 1910 and 1926 Notes: Purchase, 1926 (DLC - 1926:46493) Subjects: Poincaré, Henri,--1854-1912. Photogravures--1900-1950. Portrait prints--1910-1925.
    • Archival Quality Reproduction on Ultra-Premium Luster Paper - Weight: 240 gsm, Thickness: 10 mil, ISO Brightness: 97%
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