• In mathematics, singularity theory studies spaces that are almost manifolds, but not quite. A string can serve as an example of a one-dimensional manifold...
    10 KB (1,225 words) - 00:01, 24 October 2024
  • Thumbnail for Gravitational singularity
    A gravitational singularity, spacetime singularity, or simply singularity, is a theoretical condition in which gravity is predicted to be so intense that...
    24 KB (2,887 words) - 02:52, 1 June 2025
  • System relatedness: the effects of a singularity are characteristic of the system. Uniqueness: The nature of a singularity does not arise from the scale of...
    11 KB (1,406 words) - 12:42, 6 June 2025
  • an algebraic variety. For singularities in differential geometry, see singularity theory. In real analysis, singularities are either discontinuities...
    14 KB (2,048 words) - 19:52, 28 October 2024
  • The initial singularity is a singularity predicted[dubious – discuss] by some models of the Big Bang theory to have existed before the Big Bang. The instant...
    5 KB (525 words) - 23:15, 8 June 2025
  • Thumbnail for Vladimir Arnold
    differential-geometric approach to hydrodynamics, geometric analysis and singularity theory, including posing the ADE classification problem. His first main result...
    55 KB (5,398 words) - 19:40, 15 June 2025
  • Look up Singularity or singularity in Wiktionary, the free dictionary. Singularity or singular point may refer to: Mathematical singularity, a point at...
    6 KB (702 words) - 18:59, 4 January 2025
  • general theory of relativity". A singularity in solutions of the Einstein field equations is one of three things: Spacelike singularities: The singularity lies...
    22 KB (3,124 words) - 03:00, 1 June 2025
  • fairly concrete constructions (see also the related theory simplicial homology). In brief, singular homology is constructed by taking maps of the standard...
    22 KB (3,727 words) - 02:00, 23 April 2025
  • Thumbnail for Singular point of an algebraic variety
    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) - 10:48, 9 June 2025
  • The technological singularity—or simply the singularity—is a hypothetical point in time at which technological growth becomes uncontrollable and irreversible...
    115 KB (12,262 words) - 04:35, 11 June 2025
  • In mathematics, specifically in homology theory and algebraic topology, cohomology is a general term for a sequence of abelian groups, usually one associated...
    44 KB (7,049 words) - 20:46, 13 January 2025
  • theory is a branch of bifurcation theory in the study of dynamical systems; it is also a particular special case of more general singularity theory in...
    24 KB (2,885 words) - 22:06, 23 May 2025
  • {x} \}\times M\to \mathbb {R} } has degenerate singularity at some p. A function has degenerate singularity if both the Jacobian matrix of first order partial...
    11 KB (2,066 words) - 15:48, 1 July 2021
  • 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
  • Val singularities. Elliptic singularity (Kollár & Mori 1998, Theorem 5.22.) (Artin 1966) Artin, Michael (1966), "On isolated rational singularities of...
    3 KB (387 words) - 17:30, 18 December 2022
  • Thumbnail for Hassler Whitney
    founders of singularity theory, and did foundational work in manifolds, embeddings, immersions, characteristic classes and, geometric integration theory. Hassler...
    25 KB (2,608 words) - 11:04, 5 June 2025
  • Thumbnail for Resolution of singularities
    does not is given by the isolated singularity of x2 + y3z + z3 = 0 at the origin. Blowing it up gives the singularity x2 + y2z + yz3 = 0. It is not immediately...
    43 KB (5,480 words) - 22:18, 15 March 2025
  • Thumbnail for Transhumanism
    Transhumanism (category Singularity theory)
    only the will of mankind as a whole. The concept of the technological singularity, or the ultra-rapid advent of superhuman intelligence, was first proposed...
    131 KB (13,541 words) - 21:05, 6 June 2025
  • Thumbnail for Cusp (singularity)
    type A2-singularity. Let f (x, y) be a smooth function of x and y and assume, for simplicity, that f (0, 0) = 0. Then a type A2-singularity of f at (0...
    10 KB (1,501 words) - 10:27, 14 November 2023
  • Thumbnail for Whitney umbrella
    Whitney umbrella (category Singularity theory)
    important in the field of singularity theory, as a simple local model of a pinch point singularity. The pinch point and the fold singularity are the only stable...
    3 KB (282 words) - 01:24, 19 April 2024
  • Thumbnail for René Thom
    reputation as a topologist, moving on to aspects of what would be called singularity theory; he became world-famous among the wider academic community and the...
    16 KB (1,387 words) - 18:19, 11 June 2025
  • matrix theory Representation theory Ring theory Scheme theory Semigroup theory Set theory Shape theory Sheaf theory Sieve theory Singularity theory Soliton...
    2 KB (196 words) - 18:28, 23 December 2024
  • a Du Val singularity, also called simple surface singularity, Kleinian singularity, or rational double point, is an isolated singularity of a complex...
    6 KB (578 words) - 19:45, 26 May 2025
  • In mathematics, and in particular singularity theory, an Ak singularity, where k ≥ 0 is an integer, describes a level of degeneracy of a function. The...
    3 KB (537 words) - 02:51, 29 September 2024
  • Thumbnail for Big Bang
    measurements of the expansion rate of the universe place the Big Bang singularity at an estimated 13.787±0.02 billion years ago, which is considered the...
    150 KB (15,949 words) - 15:18, 4 June 2025
  • Thom–Mather stratified space (category Singularity theory)
    Spec ( − ) {\displaystyle {\text{Spec}}(-)} is the prime spectrum. Singularity theory Whitney conditions Stratifold Intersection homology Thom's first isotopy...
    5 KB (751 words) - 07:38, 29 January 2025
  • A ring singularity or ringularity is the gravitational singularity of a rotating black hole, or a Kerr black hole, that is shaped like a ring. When a...
    7 KB (925 words) - 11:18, 2 June 2025
  • the gravitational singularity that exists within the event horizon of a black hole. General relativity predicts that at the singularity, the curvature of...
    33 KB (4,307 words) - 03:15, 1 June 2025
  • Thumbnail for Ott-Heinrich Keller
    polynomial transformations, say of the projective plane, came from the singularity theory for algebraic curves. During World War II he taught in a naval college...
    2 KB (209 words) - 20:26, 15 February 2025