• In commutative algebra and algebraic geometry, localization is a formal way to introduce the "denominators" to a given ring or module. That is, it introduces...
    30 KB (5,319 words) - 21:19, 10 December 2024
  • Thumbnail for Commutative algebra
    Commutative algebra, first known as ideal theory, is the branch of algebra that studies commutative rings, their ideals, and modules over such rings....
    17 KB (2,025 words) - 19:22, 15 December 2024
  • a commutative ring is a ring in which the multiplication operation is commutative. The study of commutative rings is called commutative algebra. Complementarily...
    41 KB (5,655 words) - 15:25, 12 December 2023
  • Equivalently, a noncommutative ring is a ring that is not a commutative ring. Noncommutative algebra is the part of ring theory devoted to study of properties...
    20 KB (2,804 words) - 01:41, 1 November 2023
  • In mathematics, rings are algebraic structures that generalize fields: multiplication need not be commutative and multiplicative inverses need not exist...
    99 KB (13,683 words) - 00:24, 11 December 2024
  • Ian G. Macdonald. It deals with elementary concepts of commutative algebra including localization, primary decomposition, integral dependence, Noetherian...
    1,013 bytes (93 words) - 22:50, 12 August 2023
  • duals of non-commutative algebraic objects such as rings as well as geometric objects derived from them (e.g. by gluing along localizations or taking noncommutative...
    14 KB (1,719 words) - 02:28, 27 January 2025
  • Commutative algebra is the branch of abstract algebra that studies commutative rings, their ideals, and modules over such rings. Both algebraic geometry...
    4 KB (301 words) - 17:28, 20 December 2023
  • Multiplicatively closed set (category Commutative algebra)
    Multiplicative sets are important especially in commutative algebra, where they are used to build localizations of commutative rings. A subset S of a ring R is called...
    3 KB (345 words) - 17:56, 26 April 2024
  • theorem Roman 2008, p. 115, §4 Ernst Kunz, "Introduction to Commutative algebra and algebraic geometry", Birkhauser 1985, ISBN 0-8176-3065-1 Irving Kaplansky...
    12 KB (1,660 words) - 18:12, 1 December 2024
  • generalized sense. A noncommutative algebra is an associative algebra in which the multiplication is not commutative, that is, for which x y {\displaystyle...
    21 KB (2,384 words) - 11:22, 16 December 2024
  • Integrally closed domain (category Commutative algebra)
    In commutative algebra, an integrally closed domain A is an integral domain whose integral closure in its field of fractions is A itself. Spelled out...
    12 KB (1,924 words) - 20:21, 28 November 2024
  • algebra that studies commutative local rings and their modules. In practice, a commutative local ring often arises as the result of the localization of...
    15 KB (2,311 words) - 00:43, 21 October 2024
  • G-ring (category Commutative algebra)
    In commutative algebra, a G-ring or Grothendieck ring is a Noetherian ring such that the map of any of its local rings to the completion is regular (defined...
    3 KB (461 words) - 22:54, 12 August 2023
  • size or multiplicity of elements of the field. It generalizes to commutative algebra the notion of size inherent in consideration of the degree of a pole...
    18 KB (2,370 words) - 17:24, 20 November 2024
  • Ring (mathematics) Commutative algebra, Commutative ring Ring theory, Noncommutative ring Algebra over a field Non-associative algebra Relatives to rings:...
    12 KB (1,129 words) - 10:50, 10 October 2024
  • the subject. For the items in commutative algebra (the theory of commutative rings), see Glossary of commutative algebra. For ring-theoretic concepts in...
    32 KB (4,250 words) - 12:04, 19 April 2024
  • Overring (category Commutative algebra)
    ideal Localization (commutative algebra) Nilpotent – Element in a ring whose some power is 0 Picard group – Mathematical group occurring in algebraic geometry...
    19 KB (2,164 words) - 23:14, 20 August 2024
  • In commutative algebra, a regular local ring is a Noetherian local ring having the property that the minimal number of generators of its maximal ideal...
    13 KB (1,889 words) - 13:05, 13 January 2025
  • In commutative algebra, the prime spectrum (or simply the spectrum) of a commutative ring R {\displaystyle R} is the set of all prime ideals of R {\displaystyle...
    25 KB (4,084 words) - 13:14, 7 January 2025
  • the entry-wise addition and multiplication is a two-dimensional commutative algebra over Q {\displaystyle \mathbb {Q} } . However, it is not a field...
    52 KB (8,430 words) - 23:37, 17 January 2025
  • facts prove useful in commutative algebra and algebraic geometry: for R ≠ { 0 } {\displaystyle R\neq \lbrace 0\rbrace } commutative, R   /   I {\displaystyle...
    17 KB (2,958 words) - 21:08, 21 January 2025
  • last examples are implicitly behind the wide use of localization in commutative algebra and algebraic geometry. For a given ring homomorphism f : A → B...
    30 KB (4,589 words) - 03:05, 9 August 2024
  • Auslander–Buchsbaum formula (category Commutative algebra)
    In commutative algebra, the Auslander–Buchsbaum formula, introduced by Auslander and Buchsbaum (1957, theorem 3.7), states that if R is a commutative Noetherian...
    2 KB (221 words) - 22:38, 12 August 2023
  • all commutative rings. This category is one of the central objects of study in the subject of commutative algebra. Any ring can be made commutative by...
    14 KB (1,814 words) - 01:52, 26 March 2024
  • Reduced ring (redirect from Reduced algebra)
    A commutative algebra over a commutative ring is called a reduced algebra if its underlying ring is reduced. The nilpotent elements of a commutative ring...
    6 KB (817 words) - 06:53, 11 July 2024
  • relations specialized to the multiplicative semigroup of a commutative ring R. S-units Localization of a ring and a module In the case of rings, the use of...
    11 KB (1,526 words) - 00:22, 24 September 2024
  • domain R. Then the localization of R with respect to S is a Z {\displaystyle \mathbb {Z} } -graded ring. If I is an ideal in a commutative ring R, then ⨁...
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  • glossary of commutative algebra. See also list of algebraic geometry topics, glossary of classical algebraic geometry, glossary of algebraic geometry, glossary...
    66 KB (9,767 words) - 00:23, 7 July 2024
  • Completion is similar to localization, and together they are among the most basic tools in analysing commutative rings. Complete commutative rings have a simpler...
    10 KB (1,581 words) - 12:29, 17 December 2024