• Thumbnail for Surface subgroup conjecture
    In mathematics, the surface subgroup conjecture of Friedhelm Waldhausen states that the fundamental group of every closed, irreducible 3-manifold with...
    2 KB (204 words) - 18:31, 14 September 2023
  • Thumbnail for 3-manifold
    Haken conjecture for closed hyperbolic 3-manifolds. The proof built on results of Kahn and Markovic in their proof of the Surface subgroup conjecture and...
    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...
    35 KB (1,517 words) - 01:10, 13 February 2024
  • an essential ingredient the freshly-obtained solution to the surface subgroup conjecture by Jeremy Kahn and Vladimir Markovic. Other results which are...
    6 KB (627 words) - 17:46, 22 May 2024
  • In mathematics, Thurston's geometrization conjecture states that each of certain three-dimensional topological spaces has a unique geometric structure...
    31 KB (4,049 words) - 01:04, 26 March 2024
  • 2009) Surface subgroup conjecture (Jeremy Kahn, Vladimir Markovic, 2009) Normal scalar curvature conjecture and the Böttcher–Wenzel conjecture (Zhiqin...
    189 KB (19,531 words) - 04:33, 21 May 2024
  • Thumbnail for Ehrenpreis conjecture
    a ceremony at Oxford University. Surface subgroup conjecture Virtually Haken conjecture Virtually fibered conjecture "2012 Clay Research Conference"....
    2 KB (156 words) - 04:57, 26 May 2022
  • subgroup of a matrix group with integer entries is a subgroup defined by congruence conditions on the entries. A very simple example is the subgroup of...
    27 KB (4,778 words) - 02:51, 7 May 2024
  • Thumbnail for Jeremy Kahn
    hyperbolic 3-manifold (proof of the surface subgroup conjecture) and for their proof of the Ehrenpreis conjecture. In 2014 he was an invited speaker at...
    6 KB (570 words) - 23:11, 16 March 2024
  • by subgroups of SL2(R), particularly, the normalizer Γ0(p)+ of the Hecke congruence subgroup Γ0(p) in SL(2,R). They found that the Riemann surface resulting...
    34 KB (4,485 words) - 06:11, 7 May 2024
  • Thumbnail for Calabi–Yau manifold
    Calabi (1954, 1957) who first conjectured that such surfaces might exist, and Shing-Tung Yau (1978) who proved the Calabi conjecture. Calabi–Yau manifolds are...
    24 KB (3,212 words) - 20:31, 21 May 2024
  • of the conjectures were logically related to the virtually Haken conjecture. In order of strength they are: (the surface subgroup conjecture) The fundamental...
    16 KB (2,217 words) - 05:07, 29 March 2024
  • closed hyperbolic 3-manifolds. Virtually Haken conjecture Surface subgroup conjecture Ehrenpreis conjecture Thurston 1982, p. 380. Bergeron, Nicolas; Wise...
    6 KB (660 words) - 02:09, 8 April 2024
  • Thumbnail for Differential geometry of surfaces
    Euclidean 3-space. Carathéodory conjecture: This conjecture states that a closed convex three times differentiable surface admits at least two umbilic points...
    128 KB (17,463 words) - 08:16, 29 May 2024
  • Thumbnail for K3 surface
    K3 surface over a field is projective.) By Shing-Tung Yau's solution to the Calabi conjecture, it follows that every complex analytic K3 surface has...
    34 KB (5,241 words) - 11:22, 18 August 2023
  • a conjecture of Gauss on the mean order of class groups of real quadratic fields. Arithmetic surfaces can be used to construct families of surfaces of...
    24 KB (3,844 words) - 17:56, 29 January 2024
  • {\displaystyle \Gamma } defining the Bolza surface is also a subgroup of the (3,3,4) triangle group, which is a subgroup of index 2 in the ( 2 , 3 , 8 ) {\displaystyle...
    13 KB (1,972 words) - 15:48, 7 December 2023
  • Brieskorn–Grothendieck resolution General elephant conjecture du Val, Patrick (1934a). "On isolated singularities of surfaces which do not affect the conditions of...
    5 KB (578 words) - 22:33, 20 March 2023
  • 275: 786–789. McCarthy, John (1985). "A "Tits-alternative" for subgroups of surface mapping class groups". Trans. Amer. Math. Soc. 291: 583–612. doi:10...
    4 KB (534 words) - 09:38, 15 May 2024
  • Thumbnail for Discrete geometry
    subgroup of a topological group G is a subgroup H whose relative topology is the discrete one. For example, the integers, Z, form a discrete subgroup...
    15 KB (1,579 words) - 06:27, 29 September 2023
  • group Borel subgroup Radical of an algebraic group Unipotent radical Lie-Kolchin theorem Haboush's theorem (also known as the Mumford conjecture) Group scheme...
    7 KB (600 words) - 19:55, 10 January 2024
  • fake projective surfaces are called fake projective spaces. As a consequence of the work of Aubin and Yau on solution of Calabi Conjecture in the case of...
    13 KB (1,480 words) - 15:29, 5 February 2024
  • Thumbnail for Arithmetic group
    finite-index subgroups and the congruence subgroup problem roughly asks whether all subgroups are obtained in this way. The conjecture (usually attributed...
    22 KB (3,301 words) - 14:24, 21 May 2024
  • Thumbnail for Low-dimensional topology
    in topology. The solution by Stephen Smale, in 1961, of the Poincaré conjecture in five or more dimensions made dimensions three and four seem the hardest;...
    19 KB (2,363 words) - 15:38, 16 February 2024
  • ^{3}/\Gamma } where Γ {\displaystyle \Gamma } is a discrete subgroup of PSL(2,C). Here, the subgroup Γ {\displaystyle \Gamma } , a Kleinian group, is defined...
    1 KB (138 words) - 01:06, 12 August 2023
  • Thumbnail for Vladimir Markovic
    proved William Thurston's key conjecture that every closed hyperbolic 3-manifold contains an almost geodesic immersed surface. Marković was also awarded...
    6 KB (319 words) - 17:08, 23 November 2022
  • Thumbnail for Riemann hypothesis
    In mathematics, the Riemann hypothesis is the conjecture that the Riemann zeta function has its zeros only at the negative even integers and complex numbers...
    126 KB (16,743 words) - 19:52, 25 May 2024
  • conjecture may refer to one of several conjectural statements from differential geometry and topology attributed to Heinz Hopf. The Hopf conjecture is...
    15 KB (2,283 words) - 07:46, 24 April 2024
  • Loop theorem K-theory of a category Smith conjecture Surface subgroup conjecture Virtually Haken conjecture History of knot theory Waldhausen category...
    5 KB (494 words) - 10:08, 12 January 2023
  • zeta function Selberg zeta function of a Riemann surface Shimizu L-function Shintani zeta function Subgroup zeta function Witten zeta function of a Lie group...
    3 KB (377 words) - 14:35, 7 September 2023