• Thumbnail for Schwarz triangle function
    complex analysis, the Schwarz triangle function or Schwarz s-function is a function that conformally maps the upper half plane to a triangle in the upper half...
    7 KB (1,049 words) - 08:02, 21 January 2025
  • Thumbnail for Schwarz triangle
    In geometry, a Schwarz triangle, named after Hermann Schwarz, is a spherical triangle that can be used to tile a sphere (spherical tiling), possibly overlapping...
    78 KB (10,933 words) - 23:50, 14 April 2025
  • Thumbnail for Hermann Schwarz
    theorem Schwarz reflection principle Schwarz triangle Schwarz triangle function Cauchy–Schwarz inequality Theorem of Pohlke and Schwarz Schwarz, H. A....
    8 KB (643 words) - 01:16, 18 February 2025
  • differential equation and f(z) is the Schwarz triangle function, which can be written in terms of hypergeometric functions. For a quadrilateral the accessory...
    45 KB (7,160 words) - 02:41, 24 March 2025
  • hypergeometric functions or incomplete beta functions. The upper half-plane is mapped to a triangle with circular arcs for edges by the Schwarz triangle map. The...
    8 KB (912 words) - 03:15, 27 December 2024
  • The Cauchy–Schwarz inequality (also called Cauchy–Bunyakovsky–Schwarz inequality) is an upper bound on the inner product between two vectors in an inner...
    37 KB (5,175 words) - 21:11, 14 April 2025
  • Thumbnail for Isosceles triangle
    In geometry, an isosceles triangle (/aɪˈsɒsəliːz/) is a triangle that has two sides of equal length and two angles of equal measure. Sometimes it is specified...
    38 KB (4,157 words) - 15:47, 24 March 2025
  • Thumbnail for Schwarz lantern
    diverge. The Schwarz lantern demonstrates that sampling a curved surface by close-together points and connecting them by small triangles is inadequate...
    24 KB (2,899 words) - 00:50, 26 March 2025
  • Thumbnail for Triangle inequality
    In mathematics, the triangle inequality states that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length...
    34 KB (5,268 words) - 20:23, 13 April 2025
  • Thumbnail for Hypergeometric function
    Schwarzian derivative (Hille 1976, pp. 307–401). The Schwarz triangle maps or Schwarz s-functions are ratios of pairs of solutions. s k ( z ) = ϕ k ( 1...
    38 KB (6,920 words) - 21:17, 14 April 2025
  • of triangle groups, of which 12 are Hurwitz groups (quotients of the (2,3,7) group). Schwarz triangle The Schwarz triangle map is a map of triangles to...
    16 KB (1,771 words) - 04:06, 8 February 2024
  • Thumbnail for Schwarz's list
    special functions, Schwarz's list or the Schwarz table is the list of 15 cases found by Hermann Schwarz (1873, p. 323) when hypergeometric functions can be...
    9 KB (904 words) - 16:27, 11 March 2025
  • Thumbnail for Exceptional object
    exceptional Schwarz triangles (triangles that tile the sphere, or more generally Euclidean plane or hyperbolic plane via their triangle group of reflections...
    25 KB (3,088 words) - 15:48, 11 November 2024
  • identities are identities involving certain functions of one or more angles. They are distinct from triangle identities, which are identities involving...
    14 KB (1,815 words) - 03:36, 8 March 2025
  • triangle Regiomontanus Regiomontanus' angle maximization problem Reuschle's theorem Right triangle Routh's theorem Scalene triangle Schwarz triangle Schiffler's...
    11 KB (634 words) - 12:01, 7 February 2025
  • Thumbnail for Harmonic function
    the theory of stochastic processes, a harmonic function is a twice continuously differentiable function f : U → R , {\displaystyle f\colon U\to \mathbb...
    23 KB (3,454 words) - 17:37, 28 April 2025
  • Thumbnail for Inequality (mathematics)
    Q={\sqrt {\frac {a_{1}^{2}+a_{2}^{2}+\cdots +a_{n}^{2}}{n}}}} The Cauchy–Schwarz inequality states that for all vectors u and v of an inner product space...
    27 KB (3,343 words) - 21:10, 14 April 2025
  • Thumbnail for Schwarz alternating method
    theorem Schwarzian derivative Schwarz triangle map Schwarz reflection principle Additive Schwarz method See his paper (Schwarz 1870b) See the paper (Mikhlin...
    9 KB (980 words) - 06:38, 7 January 2024
  • Thumbnail for Kaleidocycle
    disphenoids are equilateral triangles, it can be constructed from a stretched triangular tiling net with four triangles in one direction and an even...
    5 KB (480 words) - 13:07, 23 September 2024
  • Thumbnail for Spherical trigonometry
    between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions. On the sphere, geodesics are great circles...
    41 KB (6,784 words) - 20:51, 3 March 2025
  • Thumbnail for Hurwitz surface
    contexts, the "(2,3,7) triangle group" most often refers, not to the full triangle group Δ(2,3,7) (the Coxeter group with Schwarz triangle (2,3,7) or a realization...
    5 KB (645 words) - 02:08, 7 January 2025
  • exhibit the triangle inequality property — or, more formally, the Schwarz inequality — and it violates the coincidence axiom. To repair the triangle inequality...
    22 KB (3,084 words) - 17:36, 27 April 2025
  • functions. Elliptic curve Schwarz–Christoffel mapping Carlson symmetric form Jacobi theta function Ramanujan theta function Dixon elliptic functions Abel...
    73 KB (13,097 words) - 19:08, 2 March 2025
  • Picard–Fuchs equation (category Elliptic functions)
    of two solutions of the hypergeometric equation is also known as a Schwarz triangle map. The Picard–Fuchs equation can be cast into the form of Riemann's...
    4 KB (629 words) - 20:19, 27 June 2023
  • Pedoe's inequality (category Triangle inequalities)
    b with B and c with C. In other words, it is a symmetric function of the pair of triangles. Pedoe's inequality is a generalization of Weitzenböck's inequality...
    4 KB (812 words) - 09:15, 8 December 2024
  • analyze homomorphism densities is the Cauchy–Schwarz inequality. The effect of applying the Cauchy-Schwarz inequality is "folding" the graph over a line...
    12 KB (2,300 words) - 10:57, 6 January 2024
  • function of x . {\textstyle x.} log ⁡ ϕ ( x ) {\textstyle \log \phi (x)} is a convex function of log ⁡ ( x ) . {\textstyle \log(x).} Cauchy–Schwarz inequality –...
    12 KB (2,366 words) - 21:14, 14 April 2025
  • Thumbnail for Dixon elliptic functions
    {sm} (0)=0} Or as the inverse of the Schwarz–Christoffel mapping from the complex unit disk to an equilateral triangle, the Abelian integral: z = ∫ 0 sm...
    28 KB (4,756 words) - 04:23, 28 December 2024
  • Thumbnail for Peirce quincuncial projection
    Charles Sanders Peirce in 1879. Each octant projects onto an isosceles right triangle, and these are arranged into a square. The name quincuncial refers to this...
    14 KB (1,631 words) - 11:25, 1 April 2025
  • every scalar s {\displaystyle s} and every function f . {\displaystyle f.} Absolute homogeneity, the triangle inequality, and non-negativity are the defining...
    65 KB (12,217 words) - 21:17, 14 April 2025