In the mathematical field of representation theory, a weight of an algebra A over a field F is an algebra homomorphism from A to F, or equivalently, a...
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Representation theory is a branch of mathematics that studies abstract algebraic structures by representing their elements as linear transformations of...
56 KB (7,269 words) - 14:03, 18 May 2025
In the mathematical field of representation theory, a Lie algebra representation or representation of a Lie algebra is a way of writing a Lie algebra...
28 KB (4,312 words) - 17:24, 28 November 2024
In representation theory of Lie groups and Lie algebras, a fundamental representation is an irreducible finite-dimensional representation of a semisimple...
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In the study of the representation theory of Lie groups, the study of representations of SU(2) is fundamental to the study of representations of semisimple...
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Compact group (redirect from Representation theory of a connected compact Lie group)
fashion. Compact groups have a well-understood theory, in relation to group actions and representation theory. In the following we will assume all groups...
30 KB (4,472 words) - 20:43, 23 November 2024
In representation theory, a branch of mathematics, the theorem of the highest weight classifies the irreducible representations of a complex semisimple...
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Unitary representation Weight (representation theory) Peter–Weyl theorem Borel–Weil theorem Kirillov character formula Representation theory of SU(2)...
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the representation theory of semisimple Lie algebras is one of the crowning achievements of the theory of Lie groups and Lie algebras. The theory was...
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this highest weight. An important aspect of the representation theory is the associated theory of characters. Here, for a representation Σ {\displaystyle...
34 KB (5,246 words) - 08:31, 14 January 2025
In mathematics, specifically in the representation theory of groups and algebras, an irreducible representation ( ρ , V ) {\displaystyle (\rho ,V)} or...
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{\displaystyle k} -space. These weights – in particularly their geometry – are of central importance in understanding the representation theory of Lie algebras, specifically...
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Fundamental representation Antifundamental representation Bifundamental representation Adjoint representation Weight (representation theory) Cartan's theorem...
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refer to: Weight (graph theory) a number associated to an edge or to a vertex of a graph Weight (representation theory), a type of function Weight (strings)...
3 KB (353 words) - 03:20, 3 September 2023
In mathematics, more specifically in group theory, the character of a group representation is a function on the group that associates to each group element...
24 KB (3,521 words) - 06:38, 16 December 2024
connections between those areas. Graph theory plays an important role in electrical modeling of electrical networks, here, weights are associated with resistance...
50 KB (6,237 words) - 21:13, 9 May 2025
In group theory, restriction forms a representation of a subgroup using a known representation of the whole group. Restriction is a fundamental construction...
22 KB (3,061 words) - 16:41, 24 April 2025
This is a glossary of representation theory in mathematics. The term "module" is often used synonymously for a representation; for the module-theoretic...
34 KB (5,011 words) - 21:43, 4 September 2024
In mathematics, the representation theory of the Poincaré group is an example of the representation theory of a Lie group that is neither a compact group...
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representation theory of compact Lie groups), the weights of the dual representation are the negatives of the weights of the original representation....
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the Lorentz group is deduced using the general framework of the representation theory of semisimple Lie algebras. The finite-dimensional representations...
150 KB (19,763 words) - 06:35, 10 May 2025
In mathematics, the adjoint representation (or adjoint action) of a Lie group G is a way of representing the elements of the group as linear transformations...
21 KB (3,517 words) - 18:29, 23 March 2025
mathematics, weight space may refer to: Weight space (representation theory) Parameter space in artificial neural networks, where the parameters are weights on...
258 bytes (57 words) - 05:10, 27 October 2019
Borel–Weil–Bott theorem (category Representation theory of Lie groups)
mathematics, the Borel–Weil–Bott theorem is a basic result in the representation theory of Lie groups, showing how a family of representations can be obtained...
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to Hamming weight in the binary case, in 1954. Hamming weight is used in several disciplines including information theory, coding theory, and cryptography...
33 KB (3,163 words) - 06:42, 17 May 2025
Schur's lemma (category Representation theory)
Schur's lemma is an elementary but extremely useful statement in representation theory of groups and algebras. In the group case it says that if M and...
23 KB (3,820 words) - 03:30, 29 April 2025
In mathematics, a source for the representation theory of the group of diffeomorphisms of a smooth manifold M is the initial observation that (for M connected)...
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)}} and each weight space is one-dimensional. Elements of S are called Dirac spinors. When n is even, S is not an irreducible representation: S + = ∧ e...
33 KB (4,482 words) - 07:13, 5 September 2024
Kazhdan–Lusztig polynomial (redirect from Kazhdan–Lusztig theory)
In the mathematical field of representation theory, a Kazhdan–Lusztig polynomial P y , w ( q ) {\displaystyle P_{y,w}(q)} is a member of a family of integral...
24 KB (3,330 words) - 07:27, 8 April 2025
Orbit method (redirect from Kirillov orbit theory)
irreducible unitary representations of G: the highest weight representation L(λ) with highest weight λ∈h*+ corresponds to the integral coadjoint orbit G·λ...
7 KB (839 words) - 14:57, 10 November 2024