In abstract algebra, group theory studies the algebraic structures known as groups. The concept of a group is central to abstract algebra: other well-known...
40 KB (5,207 words) - 17:31, 31 October 2024
In mathematics, combinatorial group theory is the theory of free groups, and the concept of a presentation of a group by generators and relations. It...
2 KB (220 words) - 10:50, 27 October 2016
In group theory, a word is any written product of group elements and their inverses. For example, if x, y and z are elements of a group G, then xy, z−1xzz...
8 KB (1,295 words) - 14:12, 13 June 2023
In the mathematical field of representation theory, group representations describe abstract groups in terms of bijective linear transformations of a vector...
15 KB (2,136 words) - 13:51, 22 June 2024
Geometric group theory is an area in mathematics devoted to the study of finitely generated groups via exploring the connections between algebraic properties...
38 KB (4,308 words) - 13:31, 7 April 2024
In mathematics, computational group theory is the study of groups by means of computers. It is concerned with designing and analysing algorithms and data...
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representation theory (that is, through the representations of the group) and of computational group theory. A theory has been developed for finite groups, which...
102 KB (13,147 words) - 17:34, 8 November 2024
In abstract algebra, the center of a group G is the set of elements that commute with every element of G. It is denoted Z(G), from German Zentrum, meaning...
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Muted Group Theory (MGT) is a communication theory developed by cultural anthropologist Edwin Ardener and feminist scholar Shirley Ardener in 1975, that...
63 KB (8,033 words) - 13:06, 26 October 2024
The history of group theory, a mathematical domain studying groups in their various forms, has evolved in various parallel threads. There are three historical...
31 KB (3,571 words) - 00:00, 24 November 2024
finite group is the number of its elements. If a group is not finite, one says that its order is infinite. The order of an element of a group (also called...
11 KB (1,337 words) - 08:48, 12 July 2024
In the mathematical field of group theory, the transfer defines, given a group G and a subgroup H of finite index, a group homomorphism from G to the abelianization...
5 KB (786 words) - 03:58, 13 July 2023
In group theory, a branch of mathematics, a core is any of certain special normal subgroups of a group. The two most common types are the normal core...
8 KB (1,149 words) - 23:28, 30 December 2023
In the mathematical field of group theory, Lagrange's theorem states that if H is a subgroup of any finite group G, then | H | {\displaystyle |H|} is...
17 KB (2,248 words) - 19:54, 17 October 2024
In group theory, the normal closure of a subset S {\displaystyle S} of a group G {\displaystyle G} is the smallest normal subgroup of G {\displaystyle...
4 KB (575 words) - 23:33, 12 August 2023
mathematics and abstract algebra, group theory studies the algebraic structures known as groups. The concept of a group is central to abstract algebra:...
10 KB (800 words) - 23:24, 17 September 2024
in quantum field theory. Stueckelberg and Petermann opened the field conceptually. They noted that renormalization exhibits a group of transformations...
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arise from group theoretical symmetries. In Lie's early work, the idea was to construct a theory of continuous groups, to complement the theory of discrete...
64 KB (9,481 words) - 15:53, 23 October 2024
Look up Appendix:Glossary of group theory in Wiktionary, the free dictionary. A group is a set together with an associative operation that admits an identity...
24 KB (2,931 words) - 00:05, 30 July 2024
theory of groups is a part of mathematics which examines how groups act on given structures. Here the focus is in particular on operations of groups on...
105 KB (21,307 words) - 00:05, 24 November 2024
foundations for combinatorial group theory. The following table lists some examples of presentations for commonly studied groups. Note that in each case there...
22 KB (2,428 words) - 03:58, 12 November 2024
and algebras. The theory of abelian groups is generally simpler than that of their non-abelian counterparts, and finite abelian groups are very well understood...
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discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential...
190 KB (19,533 words) - 03:03, 21 November 2024
representation theory of the symmetric group is a particular case of the representation theory of finite groups, for which a concrete and detailed theory can be...
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In mathematics, specifically group theory, Cauchy's theorem states that if G is a finite group and p is a prime number dividing the order of G (the number...
10 KB (1,283 words) - 17:31, 4 November 2024
theory — Galois theory — Game theory — Gauge theory — Graph theory — Group theory — Hodge theory — Homology theory — Homotopy theory — Ideal theory —...
38 KB (4,356 words) - 13:13, 6 November 2024
Algebra (section Group theory)
such as groups, rings, and fields, based on the number of operations they use and the laws they follow. Universal algebra and category theory provide...
139 KB (14,097 words) - 14:20, 21 November 2024
representation theory is a branch of mathematics, and is the part of representation theory that studies linear representations of finite groups over a field...
18 KB (2,613 words) - 08:46, 23 November 2024
Commutator (redirect from Commutator (group theory))
are different definitions used in group theory and ring theory. The commutator of two elements, g and h, of a group G, is the element [g, h] = g−1h−1gh...
14 KB (2,554 words) - 18:26, 5 September 2024
Subquotient (redirect from Section (group theory))
categories, and in group theory, where they are also known as sections, though this conflicts with a different meaning in category theory. So in the algebraic...
7 KB (842 words) - 23:01, 21 February 2024