• topology and differential geometry, a hyperbolic 3-manifold is a manifold of dimension 3 equipped with a hyperbolic metric, that is a Riemannian metric...
    16 KB (2,217 words) - 15:58, 22 June 2024
  • Thumbnail for Hyperbolic manifold
    3, where they are called hyperbolic surfaces and hyperbolic 3-manifolds, respectively. In these dimensions, they are important because most manifolds...
    6 KB (680 words) - 02:46, 5 July 2023
  • arithmetic groups. An arithmetic hyperbolic three-manifold is the quotient of hyperbolic space H 3 {\displaystyle \mathbb {H} ^{3}} by an arithmetic Kleinian...
    12 KB (1,719 words) - 20:20, 30 November 2024
  • Weeks manifold is an arithmetic hyperbolic 3-manifold, its volume can be computed using its arithmetic data and a formula due to Armand Borel: V w = 3 ⋅ 23...
    5 KB (628 words) - 15:47, 28 May 2025
  • (a 2-manifold) with a hyperbolic metric (a Riemannian metric of constant sectional curvature −1). If Γ {\displaystyle \Gamma } is an arithmetic Fuchsian...
    24 KB (3,844 words) - 17:56, 29 January 2024
  • Thumbnail for Don Zagier
    at s = 2 in terms of the dilogarithm function, by studying arithmetic hyperbolic 3-manifolds. He later formulated a general conjecture giving formulas...
    14 KB (1,313 words) - 19:41, 4 May 2025
  • Thumbnail for Arithmetic group
    manifolds. A particularly active research topic has been arithmetic hyperbolic 3-manifolds, which as William Thurston wrote, "...often seem to have special...
    22 KB (3,301 words) - 18:32, 23 May 2025
  • Thumbnail for SL2(R)
    SL2(R) (category 3-manifolds)
    \mathbf {R} )}}} is a line bundle over the hyperbolic plane. When imbued with a left-invariant metric, the 3-manifold SL ( 2 , R ) ¯ {\displaystyle {\overline...
    21 KB (2,988 words) - 18:22, 23 July 2024
  • In hyperbolic geometry, the Meyerhoff manifold is the arithmetic hyperbolic 3-manifold obtained by ( 5 , 1 ) {\displaystyle (5,1)} surgery on the figure-8...
    2 KB (311 words) - 08:45, 12 August 2023
  • Thumbnail for Alan Reid (mathematician)
    a Scottish-American mathematician working primarily with arithmetic hyperbolic 3-manifolds. He is the Edgar Odell Lovett Chair of mathematics at Rice...
    6 KB (403 words) - 14:14, 22 December 2024
  • Thumbnail for Kleinian group
    Kleinian group (category 3-manifolds)
    EMS Press Maclachlan, Colin; Reid, Alan W. (2003), The arithmetic of hyperbolic 3-manifolds, Graduate Texts in Mathematics, vol. 219, Berlin, New York:...
    19 KB (2,344 words) - 16:27, 17 May 2025
  • Thumbnail for Thurston's 24 questions
    Thurston in his influential 1982 paper Three-dimensional manifolds, Kleinian groups and hyperbolic geometry published in the Bulletin of the American Mathematical...
    7 KB (191 words) - 01:19, 30 May 2025
  • direct product of hyperbolic Riemann surfaces. Otherwise it is irreducible. The irreducible manifolds fundamental groups are arithmetic groups by Margulis'...
    25 KB (3,662 words) - 07:25, 10 April 2025
  • isospectral, non-isometric closed hyperbolic 2-manifolds and 3-manifolds as quotients of hyperbolic 2-space and 3-space by arithmetic subgroups, constructed using...
    10 KB (1,152 words) - 14:27, 1 March 2025
  • studying systolic invariants of manifolds and polyhedra. Systolic hyperbolic geometry the study of systoles in hyperbolic geometry. Contents:  Top A B C...
    71 KB (7,692 words) - 22:32, 2 March 2025
  • Thumbnail for Squeeze mapping
    is. For this reason it is natural to think of the squeeze mapping as a hyperbolic rotation, as did Émile Borel in 1914, by analogy with circular rotations...
    18 KB (2,502 words) - 15:19, 22 April 2025
  • Thumbnail for Hyperbolic geometry
    model Constructions in hyperbolic geometry Hjelmslev transformation Hyperbolic 3-manifold Hyperbolic manifold Hyperbolic set Hyperbolic tree Kleinian group...
    56 KB (6,970 words) - 13:36, 7 May 2025
  • Thumbnail for Algebraic number theory
    rings is referred to as arithmetic geometry. Algebraic number theory is also used in the study of arithmetic hyperbolic 3-manifolds. Class field theory Kummer...
    40 KB (5,798 words) - 10:21, 25 April 2025
  • Thumbnail for Differential geometry
    geometry of smooth shapes and smooth spaces, otherwise known as smooth manifolds. It uses the techniques of single variable calculus, vector calculus,...
    46 KB (5,964 words) - 21:55, 19 May 2025
  • to hyperbolic groups and to higher rank linear groups[citation needed]. They have many applications in Thurston's theory of geometric three-manifolds (for...
    17 KB (2,383 words) - 08:19, 30 July 2024
  • Complex geometry (category Complex manifolds)
    complex geometry is concerned with the study of spaces such as complex manifolds and complex algebraic varieties, functions of several complex variables...
    26 KB (3,677 words) - 14:31, 7 September 2023
  • Thumbnail for Gabriel's horn
    S<\infty .\end{aligned}}} Koch snowflake – Fractal curve Picard horn – Hyperbolic 3-manifold proposed as a model for the shape of the universe Pseudosphere –...
    29 KB (3,996 words) - 01:48, 26 May 2025
  • Thumbnail for Hyperbolic group
    precisely in geometric group theory, a hyperbolic group, also known as a word hyperbolic group or Gromov hyperbolic group, is a finitely generated group...
    21 KB (2,729 words) - 12:27, 6 May 2025
  • Thumbnail for Geometric group theory
    theory of word-hyperbolic groups (also referred to as Gromov-hyperbolic or negatively curved groups)." Brian Bowditch, Hyperbolic 3-manifolds and the geometry...
    38 KB (4,308 words) - 13:31, 7 April 2024
  • Thumbnail for Riemann sphere
    prototypical example of a Riemann surface, and is one of the simplest complex manifolds. In projective geometry, the sphere is an example of a complex projective...
    22 KB (3,392 words) - 04:35, 11 May 2025
  • Thumbnail for Lattice (discrete subgroup)
    geometry (through the construction of locally homogeneous manifolds), in number theory (through arithmetic groups), in ergodic theory (through the study of homogeneous...
    31 KB (4,840 words) - 21:39, 26 January 2025
  • {\displaystyle 2^{I}} is the Cantor space. All points of a zero-dimensional manifold are isolated. Arhangel'skii, Alexander; Tkachenko, Mikhail (2008). Topological...
    4 KB (397 words) - 00:57, 17 August 2024
  • {\displaystyle \mathbb {R} ^{3}.} Gieseking manifold − A cusped hyperbolic 3-manifold of finite volume. Horosphere Horocycle Picard horn Seifert–Weber...
    15 KB (2,036 words) - 16:26, 1 April 2025
  • Thumbnail for Ideal polyhedron
    an ideal polyhedron forms a hyperbolic manifold, topologically equivalent to a punctured sphere, and every such manifold forms the surface of a unique...
    27 KB (3,229 words) - 08:46, 9 January 2025
  • Thumbnail for Knot theory
    Thurston introduced hyperbolic geometry into the study of knots with the hyperbolization theorem. Many knots were shown to be hyperbolic knots, enabling the...
    49 KB (6,298 words) - 14:21, 14 March 2025