• In algebraic geometry, the function field of an algebraic variety V consists of objects that are interpreted as rational functions on V. In classical...
    5 KB (683 words) - 18:05, 19 July 2024
  • of an algebraic function field is not a well-defined notion. The algebraic function fields over k form a category; the morphisms from function field K...
    7 KB (914 words) - 17:44, 21 April 2022
  • 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) - 09:09, 9 October 2024
  • used in algebraic geometry. There the function field of an algebraic variety V is formed as the field of fractions of the coordinate ring of V (more accurately...
    16 KB (2,375 words) - 11:05, 22 December 2024
  • 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 (4,319 words) - 09:17, 7 October 2024
  • specifically in algebraic geometry, the dimension of an algebraic variety may be defined in various equivalent ways. Some of these definitions are of geometric...
    10 KB (1,535 words) - 13:24, 4 October 2024
  • The sheaf of rational functions KX of a scheme X is the generalization to scheme theory of the notion of function field of an algebraic variety in classical...
    4 KB (597 words) - 10:15, 18 February 2024
  • fields: Algebraic number field: A finite extension of Q {\displaystyle \mathbb {Q} } Global function field: The function field of an irreducible algebraic curve...
    8 KB (1,054 words) - 14:30, 11 June 2024
  • mathematics, an algebraic structure or algebraic system consists of a nonempty set A (called the underlying set, carrier set or domain), a collection of operations...
    21 KB (2,706 words) - 07:58, 18 December 2024
  • Thumbnail for Algebraic curve
    projective plane of a homogeneous polynomial in three variables. An affine algebraic plane curve can be completed in a projective algebraic plane curve by...
    49 KB (7,985 words) - 07:13, 14 December 2024
  • Thumbnail for Field (mathematics)
    real numbers. A field is thus a fundamental algebraic structure which is widely used in algebra, number theory, and many other areas of mathematics. The...
    87 KB (10,301 words) - 00:25, 11 December 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) - 12:30, 26 November 2024
  • 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) - 03:19, 29 September 2024
  • Function field may refer to: Function field of an algebraic variety Function field (scheme theory) Algebraic function field Function field sieve Function...
    231 bytes (56 words) - 13:23, 28 December 2019
  • Spaltenstein variety Arithmetic genus, geometric genus, irregularity Tangent space, Zariski tangent space Function field of an algebraic variety Ample line...
    7 KB (600 words) - 19:55, 10 January 2024
  • Thumbnail for Abelian variety
    in algebraic geometry, complex analysis and algebraic number theory, an abelian variety is a smooth projective algebraic variety that is also an algebraic...
    22 KB (3,158 words) - 00:57, 16 December 2024
  • Thumbnail for Affine variety
    In algebraic geometry, an affine algebraic set is the set of the common zeros over an algebraically closed field k of some family of polynomials in the...
    29 KB (4,125 words) - 14:28, 7 February 2024
  • 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 (1,922 words) - 10:38, 2 December 2024
  • mathematics, a rational variety is an algebraic variety, over a given field K, which is birationally equivalent to a projective space of some dimension over...
    12 KB (1,547 words) - 10:12, 20 July 2024
  • algebra, an adelic algebraic group is a semitopological group defined by an algebraic group G over a number field K, and the adele ring A = A(K) of K...
    7 KB (935 words) - 20:05, 12 January 2024
  • 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 (7,142 words) - 20:07, 17 December 2024
  • the Hasse–Weil zeta function attached to an algebraic variety V defined over an algebraic number field K is a meromorphic function on the complex plane...
    10 KB (1,469 words) - 03:14, 9 December 2024
  • In algebraic geometry, divisors are a generalization of codimension-1 subvarieties of algebraic varieties. Two different generalizations are in common...
    40 KB (6,609 words) - 18:59, 14 April 2023
  • projective algebraic variety over the field Fq with q elements and Nk is the number of points of V defined over the finite field extension Fqk of Fq. Making...
    9 KB (1,449 words) - 21:06, 16 September 2024
  • sense of functions defined on algebraic varieties or manifolds, or of algebraic number fields examined at a particular place, or prime. Local algebra is...
    15 KB (2,311 words) - 00:43, 21 October 2024
  • used for the study of algebraic varieties, which are solution sets of systems of polynomial equations. Weyl algebras and Lie algebras may be considered...
    61 KB (7,852 words) - 21:39, 28 October 2024
  • In field theory, a branch of algebra, an algebraic field extension E / F {\displaystyle E/F} is called a separable extension if for every α ∈ E {\displaystyle...
    21 KB (3,073 words) - 22:22, 10 May 2024
  • Diophantine equations and are typically functions from a set of points on algebraic varieties (or a set of algebraic varieties) to the real numbers. For instance...
    17 KB (1,908 words) - 22:29, 6 November 2024
  • function defined on M. More generally, given an algebraic variety V over some field K, the function field K(V), consisting of the rational functions defined...
    20 KB (3,315 words) - 03:45, 4 November 2024
  • Thumbnail for Algebraic number theory
    in terms of properties of algebraic objects such as algebraic number fields and their rings of integers, finite fields, and function fields. These properties...
    40 KB (5,798 words) - 23:17, 22 December 2024