Примеры использования Mathfrak на Английском языке и их переводы на Русский язык
{-}
-
Official
-
Colloquial
Let g{\displaystyle{\mathfrak{g}}} be a Lie algebra over some field.
It is a vector space over the residue field k:= R/ m{\displaystyle{\mathfrak{m.
Morphisms of this category are the g{\displaystyle{\mathfrak{g}}}-homomorphisms of these modules.
Such representation is sometimes called bosonic representation of g i n{\displaystyle{\mathfrak{gl}}_{n.
The proposition that c ℵ 1{\displaystyle{\mathfrak{c}}=\aleph_{1}} is known as the continuum hypothesis.
The annihilator ann(x)is contained in some maximal ideal m{\displaystyle{\mathfrak{m.
For instance, P{\displaystyle{\mathfrak{P}}} 52 contains 5 verses out of the 40 verses in John chapter 18.
These representations for k 1,…, n are fundamental representations of g l n{\displaystyle{\mathfrak{gl}}_{n.
Let g{\displaystyle{\mathfrak{g}}} be a real semisimple Lie algebra with Cartan involution σ.
The proposition above shows that elements Ckbelong to the center of U( g l n){\displaystyle U{\mathfrak{gl}}_{n.
A Lie subalgebra of g{\displaystyle{\mathfrak{g}}} containing a Borel subalgebra is called a parabolic Lie algebra.
It can be shown that they actually are free generators of the center of U( g l n){\displaystyle U{\mathfrak{gl}}_{n.
The Lie algebra s o( 3){\displaystyle{\mathfrak{so}}(3)} is the Lie algebra of SO(3), the rotation group for three-dimensional Euclidean space.
The adjoint representation is the action of G by conjugation on its Lie algebra g{\displaystyle{\mathfrak{g.
A convenient basis for s o( 3;1){\displaystyle{\mathfrak{so}}(3;1)} is given by the three generators Ji of rotations and the three generators Ki of boosts.
A root of G means a nonzero weight that occurs in the action of T⊂ G on g{\displaystyle{\mathfrak{g.
Let C{\displaystyle{\mathfrak{C}}} be a category and let H{\displaystyle{\mathcal{H}}} be a class of morphisms of C{\displaystyle{\mathfrak{C.
The Poincaré-Birkhoff-Witt theorem applies to determine the universal enveloping algebra U( h n){\displaystyle U{\mathfrak{h}}_{n.
Let the basis of s l( 2,C){\displaystyle{\mathfrak{sl}}(2,\mathbb{C})} be This choice of basis, and the notation, is standard in the mathematical literature.
According to the final conclusion in strategy, the irreducible complex linear representationof s l( 2, C){\displaystyle{\mathfrak{sl}}(2,\mathbb{C})} is isomorphic to one of the highest weight representations.
Since s o( 3;1){\displaystyle{\mathfrak{so}}(3;1)} is semisimple, all its representations can be built up as direct sums of the irreducible ones.
The universal enveloping algebra preserves the representation theory:the representations of g{\displaystyle{\mathfrak{g}}} correspond in a one-to-one manner to the modules over U( g){\displaystyle U{\mathfrak{g.
The space h{\displaystyle{\mathfrak{h}}} is mapped to Minkowski space M4, via The action of P(A) on h{\displaystyle{\mathfrak{h}}} preserves determinants.
Such generalizations consist of changing Lie algebra g l n{\displaystyle{\mathfrak{gl}}_{n}} to simple Lie algebras and their super(q), and current versions.
Assume that g{\displaystyle{\mathfrak{g}}} is a(usually complex) semisimple Lie algebra with a Cartan subalgebra h{\displaystyle{\mathfrak{h}}}, Φ{\displaystyle\Phi} is a root system and Φ+{\displaystyle\Phi^{+}} is a system of positive roots.
Irreducibility can be proved by analyzing the action of g{\displaystyle{\mathfrak{g}}} on the algebraic sum of these subspaces or directly without using the Lie algebra.
If π: g→ g l( V){\displaystyle\ pi:{\mathfrak{g}}\to{\mathfrak{gl}}(V)} for some vector space V is a representation, a representation Π of the connected component of G is defined by This definition applies whether the resulting representation is projective or not.
In more abstract terms,the abelian category of all representations of g{\displaystyle{\mathfrak{g}}} is isomorphic to the abelian category of all left modules over U( g){\displaystyle U{\mathfrak{g.
In fact this norm is equivalent to the operator norm on the symmetric operators ad X andeach non-zero eigenvalue occurs with its negative, since i ad X is a skew-adjoint operator on the compact real form k⊕ i p{\displaystyle{\mathfrak{k}}\oplus i{\mathfrak{p.
If S is an additive subgroup of L{\displaystyle{\mathfrak{L}}}, then N L( S){\displaystyle\mathrm{N}_{\mathfrak{L}}(S)} is the largest Lie subring(or Lie subalgebra, as the case may be) in which S is a Lie ideal.