• 6-sphere coordinates are a coordinate system for three-dimensional space obtained by inverting the 3D Cartesian coordinates across the unit 2-sphere x...
    2 KB (299 words) - 20:41, 12 May 2024
  • Thumbnail for N-sphere
    In mathematics, an n-sphere or hypersphere is an ⁠ n {\displaystyle n} ⁠-dimensional generalization of the ⁠ 1 {\displaystyle 1} ⁠-dimensional circle and...
    38 KB (7,330 words) - 02:21, 13 May 2025
  • projection. The 6-sphere coordinates are a coordinate system for three-dimensional space obtained by inverting the Cartesian coordinates. One of the first...
    30 KB (4,386 words) - 20:16, 14 April 2025
  • Thumbnail for 3-sphere
    This means that a 3-sphere is an example of a 3-manifold. In coordinates, a 3-sphere with center (C0, C1, C2, C3) and radius r is the set of all points...
    28 KB (4,048 words) - 04:16, 9 May 2025
  • Thumbnail for Close-packing of equal spheres
    In geometry, close-packing of equal spheres is a dense arrangement of congruent spheres in an infinite, regular arrangement (or lattice). Carl Friedrich...
    19 KB (2,428 words) - 23:15, 4 March 2025
  • Thumbnail for Riemann sphere
    Cartesian coordinates ( x , y , z ) {\displaystyle (x,y,z)} and spherical coordinates ( θ , φ ) {\displaystyle (\theta ,\varphi )} on the sphere (with θ...
    22 KB (3,392 words) - 04:35, 11 May 2025
  • Thumbnail for Sphere
    A sphere (from Greek σφαῖρα, sphaîra) is a surface analogous to the circle, a curve. In solid geometry, a sphere is the set of points that are all at the...
    41 KB (5,342 words) - 15:01, 12 May 2025
  • Thumbnail for Sphere (venue)
    Sphere (also known as Sphere at the Venetian Resort) is a music and entertainment arena in Paradise, Nevada, United States, east of the Las Vegas Strip...
    86 KB (6,885 words) - 15:41, 15 May 2025
  • Thumbnail for Spherical coordinate system
    the three coordinates (r, θ, φ), known as a 3-tuple, provide a coordinate system on a sphere, typically called the spherical polar coordinates. The plane...
    43 KB (6,355 words) - 20:55, 14 April 2025
  • -separation of variables; in the three-dimensional case this uses 6-sphere coordinates. (This should not be confused with the case of a separable ODE, which...
    3 KB (463 words) - 02:09, 6 September 2024
  • Thumbnail for Laplace's equation
    Schwarzschild radius. The parameter l is an arbitrary non-negative integer. 6-sphere coordinates, a coordinate system under which Laplace's equation becomes R-separable...
    33 KB (5,075 words) - 15:19, 13 April 2025
  • Thumbnail for Multiplicative inverse
    Inverse distribution List of sums of reciprocals Repeating decimal 6-sphere coordinates Unit fractions – reciprocals of integers Zeros and poles "In equall...
    15 KB (2,360 words) - 16:39, 28 November 2024
  • Thumbnail for Armillary sphere
    armillary sphere (gola-yantra) was based on equatorial coordinates, unlike the Greek armillary sphere, which was based on ecliptical coordinates, although...
    32 KB (4,240 words) - 12:26, 11 May 2025
  • Thumbnail for The Sphere
    The Sphere (officially Große Kugelkaryatide N.Y., also known as Sphere at Plaza Fountain, WTC Sphere or Koenig Sphere) is a monumental cast bronze sculpture...
    24 KB (2,230 words) - 03:51, 24 January 2025
  • Thumbnail for Kruskal–Szekeres coordinates
    of Ω {\displaystyle \Omega } on the 2-sphere. If we think of regions III and IV as having spherical coordinates but with a negative choice for the square...
    19 KB (2,941 words) - 22:14, 18 May 2024
  • Thumbnail for Coordinate system
    more complex figures such as lines, planes, circles or spheres. For example, Plücker coordinates are used to determine the position of a line in space...
    19 KB (2,276 words) - 02:49, 15 April 2025
  • described locally with six coordinates, not necessarily Euclidean ones, is six-dimensional. One example is the surface of the 6-sphere, S6. This is the set...
    14 KB (2,020 words) - 08:13, 22 November 2024
  • Thumbnail for Direction (geometry)
    by a point on a circle or sphere, the intersection between the sphere and a ray in that direction emanating from the sphere's center; the tips of unit...
    5 KB (543 words) - 15:40, 17 January 2025
  • viscosity on a small sphere moving through a viscous fluid is given by: F → d = − 6 π μ R v → {\displaystyle {\vec {F}}_{\rm {d}}=-6\pi \mu R{\vec {v}}}...
    20 KB (3,084 words) - 23:08, 28 April 2025
  • Thumbnail for Stone spheres of Costa Rica
    The stone spheres of Costa Rica are an assortment of over 300 petrospheres in Costa Rica, on the Diquís Delta and on Isla del Caño. Locally, they are...
    24 KB (2,723 words) - 13:37, 23 April 2025
  • Thumbnail for Kugel fountain
    for ball or sphere. Map all coordinates using OpenStreetMap Download coordinates as: KML GPX (all coordinates) GPX (primary coordinates) GPX (secondary...
    39 KB (972 words) - 17:59, 12 May 2025
  • Thumbnail for Hairy ball theorem
    Hairy ball theorem (category Spheres)
    even-dimensional n-spheres. For the ordinary sphere, or 2‑sphere, if f is a continuous function that assigns a vector in ℝ3 to every point p on a sphere such that...
    14 KB (1,809 words) - 14:12, 23 April 2025
  • Thumbnail for Latitude
    simpler reference surface. The simplest choice for the reference surface is a sphere, but the geoid is more accurately modeled by an ellipsoid of revolution...
    47 KB (6,166 words) - 00:02, 19 March 2025
  • Thumbnail for Stereographic projection
    In spherical coordinates (φ, θ) on the sphere (with φ the zenith angle, 0 ≤ φ ≤ π, and θ the azimuth, 0 ≤ θ ≤ 2π) and polar coordinates (R, Θ) on the...
    49 KB (6,120 words) - 12:04, 14 May 2025
  • Thumbnail for Cylindrical coordinate system
    line) and an auxiliary axis (a reference ray). The three cylindrical coordinates are: the point perpendicular distance ρ from the main axis; the point...
    18 KB (2,117 words) - 18:59, 17 April 2025
  • of the (n−1)-sphere. Composition of (r,φ) with the inverse of the exponential map at p is a polar coordinate system. Polar coordinates provide a number...
    8 KB (1,327 words) - 17:12, 28 January 2025
  • Thumbnail for Friedmann–Lemaître–Robertson–Walker metric
    R(t). A disadvantage of reduced circumference coordinates is that they cover only half of the 3-sphere in the case of positive curvature—circumferences...
    26 KB (3,625 words) - 09:48, 14 May 2025
  • Thumbnail for Curvilinear coordinates
    surface r = 1 in spherical coordinates is the surface of a unit sphere, which is curved. The formalism of curvilinear coordinates provides a unified and general...
    53 KB (8,311 words) - 16:11, 4 March 2025
  • Pseudosphere (redirect from Pseudo-sphere)
    curvature −1/R2 at each point. Its name comes from the analogy with the sphere of radius R, which is a surface of curvature 1/R2. The term was introduced...
    10 KB (1,106 words) - 11:43, 17 May 2025
  • In analytical mechanics, generalized coordinates are a set of parameters used to represent the state of a system in a configuration space. These parameters...
    28 KB (4,543 words) - 19:01, 18 November 2024