• In geometric topology, the spherical space form conjecture (now a theorem) states that a finite group acting on the 3-sphere is conjugate to a group of...
    2 KB (214 words) - 01:25, 8 August 2022
  • solving the Poincare conjecture, though Perelman declined both awards. The Poincaré conjecture and the spherical space form conjecture are corollaries of...
    31 KB (4,050 words) - 21:22, 27 August 2024
  • equivalent to two simpler conjectures: the Poincaré conjecture and the spherical space form conjecture. The elliptization conjecture is a special case of Thurston's...
    2 KB (216 words) - 22:52, 11 August 2023
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    the proof. The Poincaré conjecture and the spherical space form conjecture are corollaries of the geometrization conjecture, although there are shorter...
    45 KB (5,836 words) - 09:37, 24 April 2024
  • conjecture Kelvin's conjecture Kouchnirenko's conjecture Mertens conjecture Pólya conjecture, 1919 (1958) Ragsdale conjecture Schoenflies conjecture (disproved...
    36 KB (1,566 words) - 06:04, 20 July 2024
  • Thumbnail for Grigori Perelman
    "Manifold Destiny" (On The New Yorker article) Spherical space form conjecture Thurston elliptization conjecture Uniformization theorem "Fields Medals 2006"...
    65 KB (6,323 words) - 21:45, 28 August 2024
  • Lurie, 2008) Spherical space form conjecture (Grigori Perelman, 2006) Poincaré conjecture (Grigori Perelman, 2002) Geometrization conjecture, (Grigori Perelman...
    190 KB (19,589 words) - 02:36, 29 August 2024
  • conjecture, due to Srinivasa Ramanujan (1916, p. 176), states that Ramanujan's tau function given by the Fourier coefficients τ(n) of the cusp form Δ(z)...
    19 KB (2,424 words) - 12:07, 14 May 2024
  • Thumbnail for Sphere
    Sphere (redirect from Spherical)
    spades: Spheres Hemisphere Spherical cap Spherical lune Spherical polygon Spherical sector Spherical segment Spherical wedge Spherical zone 3-sphere Affine...
    41 KB (5,328 words) - 16:32, 24 August 2024
  • Thumbnail for Heinz Hopf
    constant sectional curvature is globally isometric to Euclidean, spherical, or hyperbolic space. He also studied the indices of zeros of vector fields on hypersurfaces...
    11 KB (970 words) - 05:12, 25 July 2024
  • The roughly spherical shape of Earth can be empirically evidenced by many different types of observation, ranging from ground level, flight, or orbit...
    45 KB (6,225 words) - 18:40, 27 August 2024
  • In mathematics, a spherical 3-manifold M is a 3-manifold of the form M = S 3 / Γ {\displaystyle M=S^{3}/\Gamma } where Γ {\displaystyle \Gamma } is a finite...
    8 KB (1,378 words) - 21:27, 18 August 2024
  • Thumbnail for Dimension
    state of affairs was highly marked in the various cases of the Poincaré conjecture, in which four different proof methods are applied. The dimension of a...
    34 KB (3,894 words) - 16:36, 20 August 2024
  • Thumbnail for Kakeya set
    Kakeya set (redirect from Kakeya conjecture)
    than the dimension of the space in which they lie? This question gives rise to the following conjecture: Kakeya set conjecture: Define a Besicovitch set...
    27 KB (3,421 words) - 13:28, 9 June 2024
  • Thumbnail for Double bubble theorem
    the minimum possible surface area is a standard double bubble: three spherical surfaces meeting at angles of 120° on a common circle. The double bubble...
    22 KB (2,655 words) - 07:47, 20 June 2024
  • Thumbnail for Close-packing of equal spheres
    conjecture states that this is the highest density that can be achieved by any arrangement of spheres, either regular or irregular. This conjecture was...
    19 KB (2,429 words) - 01:57, 11 June 2024
  • Thumbnail for Huygens–Fresnel principle
    source of spherical wavelets, and the secondary wavelets emanating from different points mutually interfere. The sum of these spherical wavelets forms a new...
    24 KB (3,052 words) - 06:29, 25 July 2024
  • Thumbnail for Pythagorean theorem
    finite spherical triangles on a sphere of infinite radius), the spherical relation between the sides of a right triangle reduces to the Euclidean form of...
    93 KB (12,572 words) - 10:57, 28 August 2024
  • space Wirtinger inequality (2-forms) Gromov's systolic inequality for essential manifolds Essential manifold Filling radius Filling area conjecture Bolza...
    8 KB (679 words) - 11:05, 12 February 2024
  • 4064/fm-1-1-93-104. Arutyunyants, G.; Iosevich, A. (2004), "Falconer conjecture, spherical averages and discrete analogs", in Pach, János (ed.), Towards a...
    9 KB (982 words) - 05:25, 21 August 2024
  • Thumbnail for Flat Earth
    historians, notably Joseph Needham, to conjecture that Chinese astronomers were, after all, aware of the Earth's sphericity. The egg reference, however, was...
    76 KB (8,802 words) - 17:27, 13 August 2024
  • to prove several conjectures made by Macdonald about them. First fix some notation: R is a finite root system in a real vector space V. R+ is a choice...
    21 KB (3,160 words) - 06:56, 13 January 2024
  • 1970 MIT notes The Adams conjecture I Johannes Ebert, The Adams Conjecture, after Edgar Brown Strunk, Florian. On motivic spherical bundles Is it true that...
    3 KB (377 words) - 16:47, 28 June 2022
  • Thumbnail for Károly Bezdek
    (2007), 626–641. A proof of the Kneser–Poulsen Conjecture (1955) for hemispheres in spherical d-space for all d > 1 (joint work with Robert Connelly,...
    17 KB (1,731 words) - 11:41, 29 December 2023
  • Thumbnail for Wave equation
    Wave equation (redirect from Spherical wave)
    problem for the wave equation in three space dimensions can be obtained from the corresponding solution for a spherical wave. The result can then be also used...
    69 KB (11,971 words) - 22:22, 29 August 2024
  • Thumbnail for Low-dimensional topology
    cusped manifolds. Thurston's geometrization conjecture states that certain three-dimensional topological spaces each have a unique geometric structure that...
    19 KB (2,363 words) - 14:49, 12 August 2024
  • Thumbnail for Manifold
    functions on Euclidean space. This definition is mostly used when discussing analytic manifolds in algebraic geometry. The spherical Earth is navigated using...
    68 KB (9,495 words) - 23:16, 26 August 2024
  • Euclidean space if the sum of the reciprocals of p, q, and r equals 1, spherical space if that sum is greater than 1, and hyperbolic space if the sum...
    15 KB (2,133 words) - 09:34, 9 July 2024
  • Thumbnail for Sphere packing
    container holding the spherical grains. When spheres are randomly added to a container and then compressed, they will generally form what is known as an...
    28 KB (3,414 words) - 06:13, 21 May 2024
  • mathematicians refer to it as the no-hair conjecture. Even in the case of gravity alone (i.e., zero electric fields), the conjecture has only been partially resolved...
    13 KB (1,514 words) - 17:40, 22 November 2023