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  1. Vor 6 Tagen · v. t. e. Jules Henri Poincaré ( UK: / ˈpwæ̃kɑːreɪ /, US: / ˌpwæ̃kɑːˈreɪ /; French: [ɑ̃ʁi pwɛ̃kaʁe] ⓘ; [1] [2] [3] 29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science.

    • French
    • 17 July 1912 (aged 58), Paris, France
    • Jules Henri Poincaré
  2. 2. Apr. 2024 · Henri Poincaré (born April 29, 1854, Nancy, France—died July 17, 1912, Paris) 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 ...

  3. Vor 3 Stunden · Poincaré argued that Kant’s notion of space as purely intuitive was problematic because it relied on an implicit assumption of Euclidean geometry. Non-Euclidean geometries posed a challenge to Kant’s account of space, and that there was no way to justify the choice of one geometry over another as the correct a priori structure of space. The geometrical axioms were therefore neither purely ...

  4. 17. Apr. 2024 · The aim of this chapter is to show that, in these two publications, Poincaré first set out the principle of relativityPrinciple of relativity, which he applied to electromagnetic phenomena. He will then give a complete formulation of the transformation that...

  5. 17. Apr. 2024 · Poincarés New Mechanics. Jean-Marc Ginoux. Chapter. First Online: 17 April 2024. Part of the book series: History of Physics ( (HIPHY)) Abstract.

  6. 17. Apr. 2024 · To address this issue, we propose a high-security and large-capacity optical encryption scheme based on perfect high-dimensional Poincaré beams with expanded DoFs. By cascading two arrayed metasurfaces, more beam properties can be independently engineered, which gives rise to the extensively expanded key and encoding spaces. Our work provides a promising strategy for optical encryption with ...

  7. 17. Apr. 2024 · Abstract. We present one of the main lines of development of Poincaré sphere representation in polarization optics, by using largely some of our contributions in the field. We refer to the action of deterministic devices, specifically the diattenuators, on the partial polarized light.