• 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) - 04:39, 25 May 2025
  • 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) - 13:13, 27 April 2025
  • In 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...
    14 KB (1,973 words) - 12:05, 28 May 2025
  • Thumbnail for Algebraic group
    mathematics, an algebraic group is an algebraic variety endowed with a group structure that is compatible with its structure as an algebraic variety. Thus the...
    16 KB (2,244 words) - 15:28, 15 May 2025
  • Thumbnail for Affine variety
    \ldots ,x_{n}].} An affine variety is an affine algebraic set which is not the union of two smaller algebraic sets; algebraically, this means that (the radical...
    31 KB (4,377 words) - 22:02, 13 June 2025
  • Thumbnail for Abelian variety
    particularly in algebraic geometry, complex analysis and algebraic number theory, an abelian variety is a smooth projective algebraic variety that is also...
    22 KB (3,158 words) - 19:15, 13 March 2025
  • In algebraic geometry, the function field of an algebraic variety V consists of objects that are interpreted as rational functions on V. In classical algebraic...
    5 KB (664 words) - 00:16, 12 April 2025
  • Thumbnail for Singular point of an algebraic variety
    In the mathematical field of algebraic geometry, a singular point of an algebraic variety V is a point P that is 'special' (so, singular), in the geometric...
    5 KB (687 words) - 09:23, 7 July 2025
  • Thumbnail for Algebraic geometry
    Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometrical problems...
    62 KB (7,525 words) - 04:38, 3 July 2025
  • 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 Projective variety
    In algebraic geometry, a projective variety is an algebraic variety that is a closed subvariety of a projective space. That is, it is the zero-locus in...
    45 KB (7,499 words) - 13:00, 31 March 2025
  • In mathematics, a rational variety is an algebraic variety, over a given field K, which is birationally equivalent to a projective space of some dimension...
    11 KB (1,486 words) - 00:24, 20 June 2025
  • are purely algebraic and rely on commutative algebra. Some are restricted to algebraic varieties while others apply also to any algebraic set. Some are...
    10 KB (1,535 words) - 13:24, 4 October 2024
  • In mathematics, a quasi-projective variety in algebraic geometry is a locally closed subset of a projective variety, i.e., the intersection inside some...
    3 KB (511 words) - 05:27, 6 March 2025
  • In mathematics, an algebraic structure or algebraic system consists of a nonempty set A (called the underlying set, carrier set or domain), a collection...
    21 KB (2,707 words) - 02:10, 7 June 2025
  • Thumbnail for Complex algebraic variety
    In algebraic geometry, a complex algebraic variety is an algebraic variety (in the scheme sense or otherwise) over the field of complex numbers. Chow's...
    2 KB (205 words) - 15:31, 26 May 2025
  • mathematics, in particular in algebraic geometry, a complete algebraic variety is an algebraic variety X, such that for any variety Y the projection morphism...
    4 KB (476 words) - 07:25, 15 June 2025
  • In mathematics, specifically algebraic geometry, a scheme is a structure that enlarges the notion of algebraic variety in several ways, such as taking...
    44 KB (7,139 words) - 07:51, 25 June 2025
  • mathematics, algebraic geometry and analytic geometry are two closely related subjects. While algebraic geometry studies algebraic varieties, analytic geometry...
    19 KB (2,782 words) - 13:49, 12 June 2025
  • In algebraic geometry, an algebraic variety or scheme X is normal if it is normal at every point, meaning that the local ring at the point is an integrally...
    7 KB (1,087 words) - 19:07, 14 June 2024
  • surface Algebraic variety Hypersurface Quadric (algebraic geometry) Dimension of an algebraic variety Hilbert's Nullstellensatz Complete variety Elimination...
    7 KB (600 words) - 19:55, 10 January 2024
  • {\displaystyle k(y)} ). We see that the degree of an algebraic function field is not a well-defined notion. The algebraic function fields over k {\displaystyle k}...
    7 KB (1,154 words) - 23:58, 25 June 2025
  • This is a glossary of algebraic geometry. See also glossary of commutative algebra, glossary of classical algebraic geometry, and glossary of ring theory...
    82 KB (12,496 words) - 00:02, 12 April 2025
  • mathematics, real algebraic geometry is the sub-branch of algebraic geometry studying real algebraic sets, i.e. real-number solutions to algebraic equations with...
    26 KB (3,217 words) - 06:11, 27 January 2025
  • In algebraic geometry, a Schubert variety is a certain subvariety of a Grassmannian, G r k ( V ) {\displaystyle \mathbf {Gr} _{k}(V)} of k {\displaystyle...
    7 KB (946 words) - 15:25, 6 May 2024
  • Thumbnail for Tropical geometry
    "Enumerative tropical algebraic geometry in R2". arXiv:math/0312530v4. Mikhalkin, Grigory (2004). "Amoebas of algebraic varieties and tropical geometry"...
    28 KB (3,660 words) - 08:20, 15 June 2025
  • irreducible component, algebraic variety. In universal algebra, irreducible can refer to the inability to represent an algebraic structure as a composition...
    4 KB (568 words) - 00:35, 19 June 2024
  • polynomial algebras are used for the study of algebraic varieties, which are solution sets of systems of polynomial equations. Weyl algebras and Lie algebras may...
    61 KB (7,863 words) - 10:03, 30 June 2025
  • Algebraic K-theory is a subject area in mathematics with connections to geometry, topology, ring theory, and number theory. Geometric, algebraic, and arithmetic...
    77 KB (10,647 words) - 03:27, 4 May 2025
  • stack quotients). For example, noncommutative algebraic geometry is supposed to extend a notion of an algebraic scheme by suitable gluing of spectra of noncommutative...
    14 KB (1,719 words) - 07:42, 25 June 2025