In algebra, a parabolic Lie algebra p {\displaystyle {\mathfrak {p}}} is a subalgebra of a semisimple Lie algebra g {\displaystyle {\mathfrak {g}}} satisfying...
3 KB (400 words) - 03:31, 22 June 2025
Borel subgroup (redirect from Parabolic subgroups of algebraic groups)
positive weight. A Lie subalgebra of g {\displaystyle {\mathfrak {g}}} containing a Borel subalgebra is called a parabolic Lie algebra. Hyperbolic group...
6 KB (948 words) - 20:55, 14 May 2025
parabolic Lie algebra is also a graded Lie algebra. A graded Lie superalgebra extends the notion of a graded Lie algebra in such a way that the Lie bracket...
9 KB (1,537 words) - 20:28, 18 May 2025
function Parabolic induction Parabolic Lie algebra Parabolic partial differential equation In physics: Parabolic trajectory In technology: Parabolic antenna...
1 KB (174 words) - 11:26, 14 February 2020
Monster Lie algebra Nilpotent Lie algebra Nilradical of a Lie algebra Orthogonal symmetric Lie algebra Parabolic Lie algebra Pre-Lie algebra Quadratic Lie algebra...
2 KB (252 words) - 05:29, 18 December 2022
In linear algebra, the trace of a square matrix A, denoted tr(A), is the sum of the elements on its main diagonal, a 11 + a 22 + ⋯ + a n n {\displaystyle...
37 KB (5,564 words) - 23:37, 19 June 2025
(B, N) pair (category Lie algebras)
minimal parabolic subgroup of G, and N = N(K), where N is the normalizer of a split maximal torus contained in P. In particular, any finite group of Lie type...
7 KB (991 words) - 07:18, 29 May 2025
Levi decomposition (category Lie algebras)
Lie algebra is a semidirect product of a solvable Lie algebra and a semisimple Lie algebra. When viewed as a factor-algebra of g, this semisimple Lie...
5 KB (472 words) - 15:44, 20 November 2024
Lorentz group (redirect from Parabolic transformation)
consisting entirely of parabolics, X 1 , X 3 {\displaystyle X_{1},X_{3}} generate a nonabelian subalgebra isomorphic to the Lie algebra of the affine group...
66 KB (9,875 words) - 09:40, 29 May 2025
tools in the representation theory of Lie groups and Lie algebras; they can also be used to study the algebraic topology of such groups and associated...
3 KB (392 words) - 15:04, 8 November 2024
Generalized flag variety (category Algebraic homogeneous spaces)
algebraic or Lie group, then the (generalized) flag variety for G is G/P where P is a parabolic subgroup of G. The correspondence between parabolic subgroups...
17 KB (2,475 words) - 19:58, 10 January 2024
is unique up to unique isomorphism. Its Lie algebra is a quotient of the complexification of the Lie algebra of the original group. They are isomorphic...
52 KB (7,216 words) - 14:30, 2 December 2022
SL2(R) (category Lie groups)
geometry. The group SL(2, R) acts on its Lie algebra sl(2, R) by conjugation (remember that the Lie algebra elements are also 2 × 2 matrices), yielding...
21 KB (2,988 words) - 09:27, 13 June 2025
Borel subalgebra (redirect from Primitive element (Lie algebra))
of a Lie algebra g {\displaystyle {\mathfrak {g}}} is a maximal solvable subalgebra. The notion is named after Armand Borel. If the Lie algebra g {\displaystyle...
4 KB (517 words) - 02:12, 13 May 2024
a reductive algebraic group and P = M A N {\displaystyle P=MAN} is the Langlands decomposition of a parabolic subgroup P, then parabolic induction consists...
3 KB (389 words) - 21:06, 10 January 2024
Reductive group (redirect from Reductive Lie group)
over any algebraically closed field. In particular, the simple algebraic groups are classified by Dynkin diagrams, as in the theory of compact Lie groups...
56 KB (8,018 words) - 09:30, 15 April 2025
Cartan subgroup, group of adjoint type, parabolic induction Real form (Lie theory), Satake diagram Adelic algebraic group, Weil's conjecture on Tamagawa...
41 KB (6,000 words) - 12:59, 4 October 2024
Littelmann path model (category Lie algebras)
{\displaystyle {\mathfrak {g}}_{1}} is the Levi component of a parabolic subalgebra of a semisimple Lie algebra g {\displaystyle {\mathfrak {g}}} . For a given dominant...
16 KB (2,147 words) - 10:52, 8 May 2025
Group contraction (category Lie algebras)
Lie algebra, altering the structure constants of this Lie algebra in a nontrivial singular manner, under suitable circumstances. For example, the Lie...
5 KB (439 words) - 10:28, 26 April 2024
theory of algebraic groups, through their connection with Weyl groups. The parabolic subgroups are so-named because they correspond to parabolic subgroups...
31 KB (4,256 words) - 00:08, 16 June 2025
Representation theory of SL2(R) (category Representation theory of Lie groups)
basis H, X, Y for the complexification of the Lie algebra of SL(2, R) so that iH generates the Lie algebra of a compact Cartan subgroup K (so in particular...
14 KB (1,827 words) - 22:29, 27 March 2024
Triangular matrix (category Numerical linear algebra)
{\displaystyle {\mathfrak {n}}.} This algebra is the derived Lie algebra of b {\displaystyle {\mathfrak {b}}} , the Lie algebra of all upper triangular matrices;...
21 KB (3,152 words) - 21:09, 14 April 2025
Sl2-triple (category Lie algebras)
In the theory of Lie algebras, an sl2-triple is a triple of elements of a Lie algebra that satisfy the commutation relations between the standard generators...
5 KB (706 words) - 01:22, 27 July 2024
Borel–de Siebenthal theory (category Lie algebras)
correspond to parabolic subgroups in the complexification of the compact Lie group, a reductive algebraic group. Let G be connected compact Lie group with...
23 KB (3,339 words) - 16:26, 13 April 2025
In mathematics, particularly in linear algebra, a flag is an increasing sequence of subspaces of a finite-dimensional vector space V. Here "increasing"...
6 KB (901 words) - 15:29, 19 May 2025
Beilinson–Bernstein localization (category Lie algebras)
and algebraic geometry, the Beilinson–Bernstein localization theorem relates D-modules on flag varieties G/B to representations of the Lie algebra g {\displaystyle...
5 KB (687 words) - 18:23, 23 July 2024
mathematical theories of Lie groups and Lie algebras. For the topics in the representation theory of Lie groups and Lie algebras, see Glossary of representation...
23 KB (3,110 words) - 20:20, 10 January 2024
Triple system (redirect from Lie triple system)
anticommutators {u, {v, w}}. In particular, any Lie algebra defines a Lie triple system and any Jordan algebra defines a Jordan triple system. They are important...
10 KB (1,584 words) - 05:40, 15 June 2025
Generalized Verma module (category Representation theory of Lie algebras)
theory of parabolic geometries. Let g {\displaystyle {\mathfrak {g}}} be a semisimple Lie algebra and p {\displaystyle {\mathfrak {p}}} a parabolic subalgebra...
11 KB (1,788 words) - 20:13, 17 June 2025
Möbius transformation (redirect from Parabolic transform)
for the matrix group; the notion is defined for any reductive Lie group). All non-parabolic transformations have two fixed points and are defined by a matrix...
70 KB (10,603 words) - 19:06, 8 June 2025