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...
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solving the Poincare conjecture, though Perelman declined both awards. The Poincaré conjecture and the spherical space form conjecture are corollaries of...
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equivalent to two simpler conjectures: the Poincaré conjecture and the spherical space form conjecture. The elliptization conjecture is a special case of Thurston's...
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3-manifold (redirect from Cabling conjecture)
the proof. The Poincaré conjecture and the spherical space form conjecture are corollaries of the geometrization conjecture, although there are shorter...
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conjecture Kelvin's conjecture Kouchnirenko's conjecture Mertens conjecture Pólya conjecture, 1919 (1958) Ragsdale conjecture Schoenflies conjecture (disproved...
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"Manifold Destiny" (On The New Yorker article) Spherical space form conjecture Thurston elliptization conjecture Uniformization theorem "Fields Medals 2006"...
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List of unsolved problems in mathematics (category Conjectures)
Lurie, 2008) Spherical space form conjecture (Grigori Perelman, 2006) Poincaré conjecture (Grigori Perelman, 2002) Geometrization conjecture, (Grigori Perelman...
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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)...
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constant sectional curvature is globally isometric to Euclidean, spherical, or hyperbolic space. He also studied the indices of zeros of vector fields on hypersurfaces...
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The roughly spherical shape of Earth can be empirically evidenced by many different types of observation, ranging from ground level, flight, or orbit...
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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...
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Dimension (redirect from N-dimensional space)
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...
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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...
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Double bubble theorem (redirect from Double Bubble conjecture)
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...
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conjecture states that this is the highest density that can be achieved by any arrangement of spheres, either regular or irregular. This conjecture was...
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source of spherical wavelets, and the secondary wavelets emanating from different points mutually interfere. The sum of these spherical wavelets forms a new...
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Pythagorean theorem (section Spherical geometry)
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...
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space Wirtinger inequality (2-forms) Gromov's systolic inequality for essential manifolds Essential manifold Filling radius Filling area conjecture Bolza...
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4064/fm-1-1-93-104. Arutyunyants, G.; Iosevich, A. (2004), "Falconer conjecture, spherical averages and discrete analogs", in Pach, János (ed.), Towards a...
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Flat Earth (section Greece: spherical Earth)
historians, notably Joseph Needham, to conjecture that Chinese astronomers were, after all, aware of the Earth's sphericity. The egg reference, however, was...
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Macdonald polynomials (redirect from Macdonald positivity conjecture)
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...
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Sphere bundle (section Spherical fibration)
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...
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(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,...
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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...
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cusped manifolds. Thurston's geometrization conjecture states that certain three-dimensional topological spaces each have a unique geometric structure that...
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functions on Euclidean space. This definition is mostly used when discussing analytic manifolds in algebraic geometry. The spherical Earth is navigated using...
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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...
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Sphere packing (section Hyperbolic space)
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...
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No-hair theorem (redirect from No hair conjecture)
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...
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