• Thumbnail for Abelian group
    mathematics, an abelian group, also called a commutative group, is a group in which the result of applying the group operation to two group elements does...
    36 KB (5,284 words) - 05:57, 6 November 2024
  • In mathematics, a free abelian group is an abelian group with a basis. Being an abelian group means that it is a set with an addition operation that is...
    49 KB (6,774 words) - 10:35, 30 October 2024
  • In abstract algebra, an abelian group ( G , + ) {\displaystyle (G,+)} is called finitely generated if there exist finitely many elements x 1 , … , x s...
    12 KB (1,658 words) - 07:13, 19 May 2024
  • has the abelian groups as objects and group homomorphisms as morphisms. This is the prototype of an abelian category: indeed, every small abelian category...
    5 KB (687 words) - 19:48, 13 November 2023
  • Thumbnail for Non-abelian group
    mathematics, and specifically in group theory, a non-abelian group, sometimes called a non-commutative group, is a group (G, ∗) in which there exists at...
    2 KB (216 words) - 16:58, 13 July 2024
  • an abelian group A is the cardinality of a maximal linearly independent subset. The rank of A determines the size of the largest free abelian group contained...
    7 KB (1,132 words) - 22:35, 10 December 2022
  • Thumbnail for Abelian variety
    algebraic number theory, an abelian variety is a projective algebraic variety that is also an algebraic group, i.e., has a group law that can be defined by...
    22 KB (3,157 words) - 03:15, 18 November 2024
  • topological abelian group, or TAG, is a topological group that is also an abelian group. That is, a TAG is both a group and a topological space, the group operations...
    2 KB (301 words) - 11:53, 15 September 2024
  • Thumbnail for Elementary abelian group
    In mathematics, specifically in group theory, an elementary abelian group is an abelian group in which all elements other than the identity have the same...
    8 KB (991 words) - 18:18, 19 November 2024
  • In mathematics, specifically in the field of group theory, a divisible group is an abelian group in which every element can, in some sense, be divided...
    10 KB (1,422 words) - 16:52, 8 October 2024
  • theory, locally compact abelian groups are abelian groups which have a particularly convenient topology on them. For example, the group of integers (equipped...
    6 KB (942 words) - 12:21, 8 November 2023
  • Thumbnail for Solvable group
    specifically in the field of group theory, a solvable group or soluble group is a group that can be constructed from abelian groups using extensions. Equivalently...
    18 KB (3,033 words) - 08:35, 27 October 2024
  • The motivating prototypical example of an abelian category is the category of abelian groups, Ab. Abelian categories are very stable categories; for...
    19 KB (2,643 words) - 03:45, 26 March 2024
  • Thumbnail for Free group
    notion is a free abelian group; both notions are particular instances of a free object from universal algebra. As such, free groups are defined by their...
    18 KB (2,309 words) - 19:40, 25 May 2024
  • metabelian group is a group whose commutator subgroup is abelian. Equivalently, a group G is metabelian if and only if there is an abelian normal subgroup...
    3 KB (387 words) - 16:58, 10 November 2024
  • is enriched over the monoidal category of abelian groups (equivalently, all hom-sets in C are abelian groups and composition of morphisms is bilinear);...
    10 KB (1,382 words) - 03:45, 26 March 2024
  • Thumbnail for Pontryagin duality
    compact abelian groups that allows generalizing Fourier transform to all such groups, which include the circle group (the multiplicative group of complex...
    39 KB (5,807 words) - 20:34, 7 November 2024
  • abelian group is an abelian group in which every element has finite order. For example, the torsion subgroup of an abelian group is a torsion abelian...
    459 bytes (48 words) - 08:28, 4 August 2020
  • mathematics, the Grothendieck group, or group of differences, of a commutative monoid M is a certain abelian group. This abelian group is constructed from M in...
    24 KB (4,178 words) - 21:35, 19 July 2024
  • Thumbnail for Group homomorphism
    groups). If G and H are abelian (i.e., commutative) groups, then the set Hom(G, H) of all group homomorphisms from G to H is itself an abelian group:...
    10 KB (1,538 words) - 11:34, 16 November 2024
  • Thumbnail for Klein four-group
    In mathematics, the Klein four-group is an abelian group with four elements, in which each element is self-inverse (composing it with itself produces...
    10 KB (1,375 words) - 10:24, 31 October 2024
  • In abstract algebra, an abelian extension is a Galois extension whose Galois group is abelian. When the Galois group is also cyclic, the extension is also...
    2 KB (340 words) - 11:36, 16 May 2023
  • Thumbnail for Finite group
    cyclic group. An abelian group, also called a commutative group, is a group in which the result of applying the group operation to two group elements...
    15 KB (1,831 words) - 21:48, 27 January 2024
  • In mathematics, an Abelian 2-group is a higher dimensional analogue of an Abelian group, in the sense of higher algebra, which were originally introduced...
    10 KB (1,503 words) - 21:46, 1 September 2024
  • In mathematics, the endomorphisms of an abelian group X form a ring. This ring is called the endomorphism ring of X, denoted by End(X); the set of all...
    9 KB (1,208 words) - 00:28, 6 March 2024
  • \mathbb {Z} /(p-1)\mathbb {Z} } In fact, any finite abelian group can be found as the Galois group of some subfield of a cyclotomic field extension by...
    18 KB (3,190 words) - 20:36, 19 July 2024
  • such that the quotient group of the original group by this subgroup is abelian. In other words, G / N {\displaystyle G/N} is abelian if and only if N {\displaystyle...
    11 KB (1,833 words) - 17:10, 24 April 2023
  • Thumbnail for Group (mathematics)
    said to be commutative, and the group is called an abelian group. It is a common convention that for an abelian group either additive or multiplicative...
    102 KB (13,147 words) - 17:34, 8 November 2024
  • Look up Abelian or abelian in Wiktionary, the free dictionary. Abelian may refer to: Abelian group, a group in which the binary operation is commutative...
    2 KB (263 words) - 20:11, 17 October 2024
  • Thumbnail for Multiplicative group
    multiplicative group of positive real numbers R + {\displaystyle \mathbb {R} ^{+}} is an abelian group with 1 its identity element. The logarithm is a group isomorphism...
    4 KB (485 words) - 20:01, 30 April 2024