• Thumbnail for Eugenio Beltrami
    Eugenio Beltrami (16 November 1835 – 18 February 1900) was an Italian mathematician notable for his work concerning differential geometry and mathematical...
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  • pseudo-Riemannian manifolds. It is named after Pierre-Simon Laplace and Eugenio Beltrami. For any twice-differentiable real-valued function f defined on Euclidean...
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  • Thumbnail for Beltrami–Klein model
    that meet the boundary orthogonally. The Beltrami–Klein model is named after the Italian geometer Eugenio Beltrami and the German Felix Klein while "Cayley"...
    21 KB (2,752 words) - 01:56, 8 March 2025
  • Thumbnail for Poincaré disk model
    Klein model and the Poincaré half-space model, it was proposed by Eugenio Beltrami who used these models to show that hyperbolic geometry was equiconsistent...
    25 KB (4,059 words) - 08:29, 16 December 2024
  • Beltrami vector field, named after Eugenio Beltrami, is a vector field in three dimensions that is parallel to its own curl. That is, F is a Beltrami...
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  • The Beltrami identity, named after Eugenio Beltrami, is a special case of the Euler–Lagrange equation in the calculus of variations. The Euler–Lagrange...
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  • which is a surface of curvature 1/R2. The term was introduced by Eugenio Beltrami in his 1868 paper on models of hyperbolic geometry. The same surface...
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  • Thumbnail for Hyperbolic geometry
    Bolyai discovered it independently and published in 1832. In 1868, Eugenio Beltrami provided models of hyperbolic geometry, and used this to prove that...
    56 KB (6,959 words) - 15:46, 23 January 2025
  • In mathematics, the Beltrami equation, named after Eugenio Beltrami, is the partial differential equation ∂ w ∂ z ¯ = μ ∂ w ∂ z . {\displaystyle {\partial...
    61 KB (10,901 words) - 00:14, 30 January 2024
  • In other words, Beltrami flow is a flow in which the Lamb vector is zero. It is named after the Italian mathematician Eugenio Beltrami due to his derivation...
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  • Thumbnail for Poincaré half-plane model
    half-plane model is named after Henri Poincaré, but it originated with Eugenio Beltrami who used it, along with the Klein model and the Poincaré disk model...
    24 KB (3,972 words) - 06:32, 7 December 2024
  • Thumbnail for Differential geometry
    paradigm. Concrete models of hyperbolic geometry were produced by Eugenio Beltrami later in the 1860s, and Felix Klein coined the term non-Euclidean geometry...
    46 KB (5,913 words) - 20:39, 16 February 2025
  • Eugenio Beltrami, Italian mathematician Eugenio Berríos, Chilean biochemist Eugenio Calabi (1923–2023), Jewish Italian American mathematician Eugenio...
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  • Thumbnail for Singular value decomposition
    independent orthogonal transformations of the two spaces it acts on. Eugenio Beltrami and Camille Jordan discovered independently, in 1873 and 1874 respectively...
    88 KB (14,067 words) - 01:53, 25 February 2025
  • Thumbnail for University of Pavia
    physicist Carlo Rubbia. In addition, distinguished mathematicians Eugenio Beltrami, Felice Casorati and Luigi Berzolari were regular teachers in Pavia...
    81 KB (7,250 words) - 16:18, 15 February 2025
  • Thumbnail for Differential geometry of surfaces
    can be obtained by rotating a tractrix around its asymptote. In 1868 Eugenio Beltrami showed that the geometry of the pseudosphere was directly related to...
    129 KB (17,594 words) - 09:42, 9 March 2025
  • Notable people with the surname include: Eugenio Beltrami (1835-1900), Italian mathematician Filippo Beltrami (1908–1944), Italian officer and Resistance...
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  • The Arnold–Beltrami–Childress (ABC) flow or Gromeka–Arnold–Beltrami–Childress (GABC) flow is a three-dimensional incompressible velocity field which is...
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  • hyperbolic geometry?". The model for hyperbolic geometry was answered by Eugenio Beltrami, in 1868, who first showed that a surface called the pseudosphere has...
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  • Thumbnail for Gregorio Ricci-Curbastro
    various travels he was a student of the mathematicians Enrico Betti, Eugenio Beltrami, Ulisse Dini and Felix Klein. In 1877 Ricci-Curbastro obtained a scholarship...
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  • Thumbnail for Tractrix
    surface of revolution about its asymptote: the pseudosphere. Studied by Eugenio Beltrami in 1868, as a surface of constant negative Gaussian curvature, the...
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  • scientist Egon Börger, Engineer Corradino D'Ascanio, Mathematicians Eugenio Beltrami, Enrico Bombieri, Giovanni Alfonso Borelli, Sergio Campanato, Benedetto...
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  • Thumbnail for Gerhard A. Holzapfel
    ordinary member of the European Academy of Sciences and Arts. 2020: Eugenio Beltrami Senior Scientist Prize. 2021: William Prager Medal from the Society...
    20 KB (1,856 words) - 15:52, 5 March 2025
  • Thumbnail for Cremona
    Pallavera (1818–1886), painter Amilcare Ponchielli (1834–1886), composer. Eugenio Beltrami (1835–1900), mathematician Arcangelo Ghisleri (1855–1938), an Italian...
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  • Thumbnail for Space (mathematics)
    the sum depends on the triangle and is always less than 180 degrees. Eugenio Beltrami in 1868 and Felix Klein in 1871 obtained Euclidean "models" of the...
    69 KB (9,328 words) - 08:51, 6 March 2025
  • parallel postulate from Euclid's other axioms was finally demonstrated by Eugenio Beltrami in 1868. The various attempted proofs of the parallel postulate produced...
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  • Italian scientist, essayist and translator (born 1835) February 18 – Eugenio Beltrami, Italian mathematician and theorist (born 1835) February 23 – Ernest...
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  • are named after Henri Poincaré who studied them in 1882. However, Eugenio Beltrami published a paper on these models previously in 1868. Poisson distribution:...
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  • strong implications about the distribution of prime numbers. 1868 – Eugenio Beltrami demonstrates independence of Euclid’s parallel postulate from the other...
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  • Thumbnail for Francesco Brioschi
    teacher: among his students at the University of Pavia, there were Eugenio Beltrami, Luigi Cremona and Felice Casorati. Intorno ad alcuni punti della statica...
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