• In algebraic geometry, a morphism between algebraic varieties is a function between the varieties that is given locally by polynomials. It is also called...
    26 KB (4,397 words) - 15:53, 15 April 2025
  • the degree of a finite morphism, see morphism of varieties#Degree of a finite morphism. derived algebraic geometry An approach to algebraic geometry using...
    82 KB (12,496 words) - 00:02, 12 April 2025
  • Thumbnail for Algebraic variety
    Algebraic varieties are the central objects of study in algebraic geometry, a sub-field of mathematics. Classically, an algebraic variety is defined as...
    41 KB (5,761 words) - 08:13, 6 April 2025
  • In algebraic geometry, a morphism of schemes generalizes a morphism of algebraic varieties just as a scheme generalizes an algebraic variety. It is, by...
    26 KB (5,034 words) - 10:41, 3 March 2025
  • Thumbnail for Affine variety
    In algebraic geometry, an affine variety or affine algebraic variety is a certain kind of algebraic variety that can be described as a subset of an affine...
    30 KB (4,293 words) - 05:01, 6 March 2025
  • specifically algebraic geometry, a scheme is a structure that enlarges the notion of algebraic variety in several ways, such as taking account of multiplicities...
    44 KB (7,139 words) - 09:10, 12 April 2025
  • In algebraic geometry, a finite morphism between two affine varieties X , Y {\displaystyle X,Y} is a dense regular map which induces isomorphic inclusion...
    5 KB (855 words) - 16:54, 6 March 2025
  • universal algebra, a variety of algebras or equational class is the class of all algebraic structures of a given signature satisfying a given set of identities...
    13 KB (1,923 words) - 08:43, 2 March 2025
  • Thumbnail for Algebraic group
    varieties, which are the algebraic groups whose underlying variety is a projective variety. Chevalley's structure theorem states that every algebraic...
    16 KB (2,244 words) - 11:33, 24 September 2024
  • Thumbnail for Map (mathematics)
    operation is composition of permutations Regular map (algebraic geometry) – Morphism of algebraic varieties The words map, mapping, correspondence, and operator...
    6 KB (708 words) - 08:15, 6 November 2024
  • Thumbnail for Linear algebraic group
    Over an algebraically closed field, there is a stronger result about algebraic groups as algebraic varieties: every connected linear algebraic group over...
    41 KB (6,000 words) - 12:59, 4 October 2024
  • Thumbnail for Algebraic geometry
    Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometrical problems...
    61 KB (7,508 words) - 05:41, 12 March 2025
  • particular in algebraic geometry, a complete algebraic variety is an algebraic variety X, such that for any variety Y the projection morphism X × Y → Y {\displaystyle...
    4 KB (473 words) - 02:01, 8 November 2024
  • mathematics, algebraic geometry and analytic geometry are two closely related subjects. While algebraic geometry studies algebraic varieties, analytic geometry...
    19 KB (2,782 words) - 20:55, 10 April 2025
  • birational morphism from any variety Y to X is an isomorphism. Normal varieties were introduced by Zariski (1939, section III). A morphism of varieties is finite...
    7 KB (1,087 words) - 19:07, 14 June 2024
  • Thumbnail for Abelian variety
    varieties carry the structure of a group. A morphism of abelian varieties is a morphism of the underlying algebraic varieties that preserves the identity...
    22 KB (3,158 words) - 19:15, 13 March 2025
  • simply as varieties. Varieties isomorphic to affine algebraic varieties as quasi-projective varieties (see Morphism of algebraic varieties) are called...
    3 KB (511 words) - 05:27, 6 March 2025
  • Thumbnail for Projective variety
    Moduli of Surfaces Kollár, János (1996), Rational curves on algebraic varieties Mumford, David (1970), Abelian Varieties Mumford, David (1995), Algebraic Geometry...
    45 KB (7,499 words) - 13:00, 31 March 2025
  • Polynomial mapping (category Algebra)
    algebraic varieties, then a polynomial mapping is precisely a morphism of algebraic varieties. One fundamental outstanding question regarding polynomial...
    1 KB (252 words) - 05:23, 13 May 2024
  • In algebraic geometry, an étale morphism (French: [etal]) is a morphism of schemes that is formally étale and locally of finite presentation. This is...
    15 KB (2,493 words) - 22:27, 15 March 2025
  • Constructible set (topology) (category Algebraic geometry)
    morphisms) of algebraic varieties (or more generally schemes). In addition, a large number of "local" geometric properties of schemes, morphisms and sheaves...
    10 KB (1,651 words) - 18:10, 6 December 2022
  • In algebraic geometry, given a morphism of schemes p : X → S {\displaystyle p:X\to S} , the diagonal morphism δ : X → X × S X {\displaystyle \delta :X\to...
    4 KB (697 words) - 15:46, 30 September 2021
  • In algebraic geometry, a morphism f : X → S {\displaystyle f:X\to S} between schemes is said to be smooth if (i) it is locally of finite presentation (ii)...
    9 KB (1,561 words) - 17:58, 2 March 2025
  • Homomorphism (redirect from HomoMorphism)
    context of category theory, an isomorphism is defined as a morphism that has an inverse that is also a morphism. In the specific case of algebraic structures...
    34 KB (4,195 words) - 05:45, 23 April 2025
  • generalizations from rational functions on varieties to divisors on varieties to Chow groups of varieties. The generalization happens in more than one...
    33 KB (4,886 words) - 03:48, 12 April 2025
  • Valuative criterion (category Algebraic geometry)
    specifically algebraic geometry, the valuative criteria are a collection of results that make it possible to decide whether a morphism of algebraic varieties, or...
    2 KB (277 words) - 09:35, 16 December 2024
  • Algebraic K-theory is a subject area in mathematics with connections to geometry, topology, ring theory, and number theory. Geometric, algebraic, and arithmetic...
    76 KB (10,397 words) - 13:29, 17 April 2025
  • In algebraic geometry, a proper morphism between schemes is an analog of a proper map between complex analytic spaces. Some authors call a proper variety...
    18 KB (2,834 words) - 23:48, 11 March 2025
  • in algebraic geometry and the theory of complex manifolds, coherent sheaves are a class of sheaves closely linked to the geometric properties of the...
    40 KB (6,934 words) - 06:32, 11 November 2024
  • Thumbnail for Projective space
    important property of projective spaces and projective varieties is that the image of a projective variety under a morphism of algebraic varieties is closed for...
    37 KB (5,670 words) - 20:15, 2 March 2025