• Thumbnail for Resolution of singularities
    geometry, the problem of resolution of singularities asks whether every algebraic variety V has a resolution, which is a non-singular variety W with a proper...
    43 KB (5,480 words) - 22:18, 15 March 2025
  • One of the canonical examples of a birational map is the resolution of singularities. Over a field of characteristic 0, every singular variety X...
    8 KB (1,492 words) - 08:00, 14 January 2025
  • problem of resolution of singularities can be solved; Hironaka (1964) showed this in characteristic 0, but the positive characteristic case is (as of 2024)...
    11 KB (1,465 words) - 23:20, 26 March 2025
  • Thumbnail for Heisuke Hironaka
    Heisuke Hironaka (category Members of the French Academy of Sciences)
    discussed cutting-edge research developments including the resolution of singularities problem for which Hironaka later received the Fields Medal. Hironaka...
    17 KB (1,513 words) - 22:04, 5 April 2025
  • Thumbnail for Birational geometry
    Birational geometry (category Pages that use a deprecated format of the math tags)
    convenient setting. Much deeper is Hironaka's 1964 theorem on resolution of singularities: over a field of characteristic 0 (such as the complex numbers), every...
    20 KB (2,684 words) - 07:21, 17 April 2025
  • variety has a resolution of singularities given by another toric variety, which can be constructed by subdividing the maximal cones of its associated...
    16 KB (2,261 words) - 11:05, 16 May 2025
  • representation theory, a symplectic resolution is a morphism that combines symplectic geometry and resolution of singularities. Let π : Y → X {\displaystyle...
    3 KB (356 words) - 08:10, 21 February 2025
  • Thumbnail for Oscar Zariski
    Oscar Zariski (category Members of the United States National Academy of Sciences)
    Oscar (1972), Collected papers. Vol. I: Foundations of algebraic geometry and resolution of singularities, Cambridge, Massachusetts-London: MIT Press,...
    16 KB (1,428 words) - 15:07, 15 May 2025
  • Thumbnail for Complex algebraic variety
    Dan (2017). "Resolution of singularities of complex algebraic varieties and their families". Proceedings of the International Congress of Mathematicians...
    2 KB (205 words) - 16:23, 7 February 2024
  • Thumbnail for Blowing up
    important way of constructing new spaces. For instance, most procedures for resolution of singularities proceed by blowing up singularities until they become...
    23 KB (4,260 words) - 00:10, 3 March 2025
  • singularities. Normalization is not usually used for resolution of singularities for schemes of higher dimension. To define the normalization, first suppose...
    7 KB (1,087 words) - 19:07, 14 June 2024
  • acquire singular points on the hyperplane at infinity, when its closure in projective space is taken. Resolution says that such singularities can be handled...
    10 KB (1,225 words) - 00:01, 24 October 2024
  • of a variety is nonsingular in some sense, so is a sort of rather weak resolution of singularities. This does not solve the problem of resolution of singularities...
    6 KB (813 words) - 22:26, 29 April 2025
  • Bott–Samelson resolution of a Schubert variety is a resolution of singularities. It was introduced by Bott & Samelson (1958) in the context of compact Lie...
    4 KB (603 words) - 17:31, 11 April 2020
  • considerably down to about 10 or 20 pages. 1966 Abyhankar's proof of resolution of singularities for 3-folds in characteristic greater than 6 covered about 500...
    12 KB (1,557 words) - 22:55, 28 March 2025
  • surfaces, rational singularities were defined by (Artin 1966). Alternately, one can say that X {\displaystyle X} has rational singularities if and only if...
    3 KB (387 words) - 17:30, 18 December 2022
  • Standard resolution, the bar construction of resolutions in homological algebra Resolution of singularities in algebraic geometry Resolution (audio),...
    7 KB (873 words) - 06:35, 4 May 2025
  • has canonical singularities (for example, rational Gorenstein singularities), there is a variety Y with Q-factorial terminal singularities and a birational...
    3 KB (386 words) - 16:20, 14 April 2020
  • János Kollár (category Members of the Hungarian Academy of Sciences)
    Abramovich, Dan. "Review: Resolution of singularities by Steven Dale Cutkovsky and Lectures on resolution of singularities by János Kollár" (PDF). Bull...
    9 KB (818 words) - 03:22, 4 February 2025
  • Thumbnail for Beppo Levi
    Beppo Levi (category Academic staff of the University of Turin)
    studied singularities on algebraic curves and surfaces. In particular, he supplied a proof (questioned by some) that a procedure for resolution of singularities...
    10 KB (833 words) - 16:16, 22 June 2024
  • Lojasiewicz, Triangulation of semi-analytic sets, Ann. Scu. Norm. di Pisa, 18 (1964), 449–474. Heisuke Hironaka, Resolution of singularities of an algebraic variety...
    26 KB (3,217 words) - 06:11, 27 January 2025
  • rational singularities A variety X over a field of characteristic zero has rational singularities if there is a resolution of singularities f : X ′ →...
    82 KB (12,496 words) - 00:02, 12 April 2025
  • Thumbnail for Singular point of an algebraic variety
    the tangent cone is not singular outside its vertex. Milnor map Resolution of singularities Singular point of a curve Singularity theory Smooth scheme Zariski...
    5 KB (687 words) - 14:32, 27 January 2025
  • mathematics, canonical singularities appear as singularities of the canonical model of a projective variety, and terminal singularities are special cases that...
    5 KB (649 words) - 03:13, 12 December 2024
  • Local uniformization (category Singularity theory)
    of resolution of singularities, stating that a variety can be desingularized near any valuation, or in other words that the Zariski–Riemann space of the...
    6 KB (727 words) - 14:21, 25 February 2025
  • Thumbnail for Fields Medal
    from the original on 22 March 2019. Retrieved 7 April 2019. "Memorial Resolution – Paul Cohen (1934–2007)" (PDF). Stanford Historical Society. 2011. Archived...
    90 KB (4,942 words) - 13:59, 29 April 2025
  • a Dynkin diagram of A-D-E singularity type. They are the canonical singularities (or, equivalently, rational Gorenstein singularities) in dimension 2....
    5 KB (578 words) - 22:33, 20 March 2023
  • isomorphism. Blowing up Resolution of singularities Nobile, A. (1975), "Some properties of the Nash blowing-up", Pacific Journal of Mathematics, 60 (1):...
    3 KB (431 words) - 01:22, 12 October 2022
  • resolution of singularities f : X → Y {\displaystyle f:X\to Y} of a complex variety Y is called a small resolution if for every r > 0, the space of points...
    15 KB (2,761 words) - 16:29, 19 March 2025
  • Thumbnail for Masaki Kashiwara
    Masaki Kashiwara (category Members of the French Academy of Sciences)
    proves the rationality of the roots of b-functions (Bernstein–Sato polynomials), using D-module theory and resolution of singularities. Kashiwara's 1973 paper...
    11 KB (989 words) - 19:17, 27 April 2025