• Thumbnail for Surface (topology)
    In the part of mathematics referred to as topology, a surface is a two-dimensional manifold. Some surfaces arise as the boundaries of three-dimensional...
    32 KB (4,170 words) - 23:57, 20 April 2024
  • below. Classification of Euclidean plane isometries Classification theorems of surfaces Classification of two-dimensional closed manifolds – Two-dimensional...
    5 KB (650 words) - 15:41, 16 February 2024
  • Enriques surfaces in characteristic 2, and quasi-hyperelliptic surfaces in characteristics 2 and 3. The Enriques–Kodaira classification of compact complex...
    31 KB (4,054 words) - 12:01, 28 February 2024
  • Thumbnail for Riemann surface
    surface is a connected one-dimensional complex manifold. These surfaces were first studied by and are named after Bernhard Riemann. Riemann surfaces can...
    26 KB (3,305 words) - 13:50, 9 April 2024
  • uniformization theorem states that every simply connected Riemann surface is conformally equivalent to one of three Riemann surfaces: the open unit disk...
    29 KB (3,337 words) - 16:03, 1 March 2024
  • of notable theorems. Lists of theorems and similar statements include: List of algebras List of algorithms List of axioms List of conjectures List of...
    73 KB (5,996 words) - 14:02, 21 April 2024
  • mathematics, Thurston's classification theorem characterizes homeomorphisms of a compact orientable surface. William Thurston's theorem completes the work...
    8 KB (999 words) - 15:38, 16 February 2024
  • A Guide to the Classification Theorem for Compact Surfaces is a textbook in topology, on the classification of two-dimensional surfaces. It was written...
    6 KB (644 words) - 15:36, 16 February 2024
  • genus of such a surface is g. A genus g surface is a two-dimensional manifold. The classification theorem for surfaces states that every compact connected...
    6 KB (611 words) - 03:07, 3 December 2023
  • algebraic surfaces include (κ is the Kodaira dimension): κ = −∞: the projective plane, quadrics in P3, cubic surfaces, Veronese surface, del Pezzo surfaces, ruled...
    7 KB (973 words) - 18:40, 4 February 2024
  • Thumbnail for Torus
    Torus (redirect from Torus of revolution)
    torus are also occasionally used. The classification theorem for surfaces states that every compact connected surface is topologically equivalent to either...
    37 KB (4,970 words) - 05:59, 29 March 2024
  • a classification: explicitly, by an enumeration, or implicitly, in terms of invariants. For instance, for orientable surfaces, the classification of surfaces...
    17 KB (2,284 words) - 07:01, 31 March 2024
  • Other important examples of Kähler manifolds include Riemann surfaces, K3 surfaces, and Calabi–Yau manifolds. Serre's GAGA theorem asserts that projective...
    26 KB (3,601 words) - 14:31, 7 September 2023
  • bundle) of curves and surfaces help with the classification of complex manifolds, e.g. Enriques–Kodaira classification. Kawamata–Viehweg vanishing theorem Mumford...
    7 KB (832 words) - 08:01, 31 March 2024
  • Thumbnail for Low-dimensional topology
    self-intersections. The classification theorem of closed surfaces states that any connected closed surface is homeomorphic to some member of one of these three families:...
    19 KB (2,363 words) - 15:38, 16 February 2024
  • to find a measure-classification theorem similar to Ratner's theorems but for diagonalizable actions, motivated by conjectures of Furstenberg and Margulis...
    26 KB (3,727 words) - 09:42, 19 February 2024
  • embedding theorems. They state that every Riemannian manifold can be isometrically embedded in a Euclidean space Rn. In all of the following theorems we assume...
    13 KB (1,473 words) - 20:06, 5 July 2023
  • Thumbnail for K3 surface
    conditions. In the Enriques–Kodaira classification of surfaces, K3 surfaces form one of the four classes of minimal surfaces of Kodaira dimension zero. A simple...
    34 KB (5,123 words) - 11:22, 18 August 2023
  • Thumbnail for David Mumford
    David Mumford (category Members of the United States National Academy of Sciences)
    quasi-elliptic surfaces in characteristics two and three. These are surfaces fibred over a curve where the general fibre is a curve of arithmetic genus...
    20 KB (2,067 words) - 22:16, 18 January 2024
  • recourse to the classification of compact complex surfaces, that every compact Kähler surface is a deformation of a projective Kähler surface. This was later...
    4 KB (403 words) - 04:59, 21 May 2023
  • Thumbnail for Differential topology
    invariants of smooth spaces. Famous theorems in differential topology include the Whitney embedding theorem, the hairy ball theorem, the Hopf theorem, the Poincaré–Hopf...
    15 KB (1,831 words) - 18:20, 27 July 2023
  • Thumbnail for Cubic surface
    Smith, Corti (2004), Theorems 2.1 and 2.2. Bruce, J. W.; Wall, C. T. C. (1979). "On the Classification of Cubic Surfaces". Journal of the London Mathematical...
    27 KB (3,346 words) - 06:45, 5 March 2024
  • This is a list of named algebraic surfaces, compact complex surfaces, and families thereof, sorted according to their Kodaira dimension following Enriques–Kodaira...
    7 KB (825 words) - 18:38, 4 February 2024
  • Minimal surfaces of class VII (those with no rational curves with self-intersection −1) are called surfaces of class VII0. Every class VII surface is birational...
    7 KB (892 words) - 15:24, 5 October 2021
  • glued together. The main point of Riemann surfaces is that holomorphic functions may be defined between them. Riemann surfaces are nowadays considered the...
    13 KB (1,766 words) - 15:31, 22 January 2024
  • surfaces are the simplest of the 10 or so classes of surface in the Enriques–Kodaira classification of complex surfaces, and were the first surfaces to...
    5 KB (555 words) - 00:14, 17 March 2024
  • birational geometry of surfaces studied by the Italian school, and is currently an active research area within algebraic geometry. The basic idea of the theory...
    10 KB (1,338 words) - 11:54, 26 July 2023
  • Heegaard splitting (category Minimal surfaces)
    uniqueness of minimal surfaces of finite genus in R 3 {\displaystyle \mathbb {R} ^{3}} . The final topological classification of embedded minimal surfaces in...
    13 KB (1,945 words) - 17:25, 4 January 2024
  • (2d − 1)(g − 1) for all d ≥ 2. Compare with the Uniformization theorem for surfaces (real surfaces, since a complex curve has real dimension 2): Kodaira dimension...
    20 KB (2,365 words) - 17:53, 29 January 2024
  • defined for polyhedra and used to prove various theorems about them, including the classification of the Platonic solids. It was stated for Platonic solids...
    29 KB (3,395 words) - 21:27, 7 March 2024