Results 211 to 220 of about 712 (260)
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2009
We restrict ourselves to the study of linear Lie groups, that is, to closed subgroups of GL(n,ℝ), for an integer n, in other words, to groups of real matrices. We adopt the convention, introduced in Chapter 1, of calling such a group simply a Lie group. We shall show that to each Lie group there corresponds a Lie algebra.
Pr Yvette Kosmann-Schwarzbach +1 more
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We restrict ourselves to the study of linear Lie groups, that is, to closed subgroups of GL(n,ℝ), for an integer n, in other words, to groups of real matrices. We adopt the convention, introduced in Chapter 1, of calling such a group simply a Lie group. We shall show that to each Lie group there corresponds a Lie algebra.
Pr Yvette Kosmann-Schwarzbach +1 more
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2014
The relationship between Lie algebras and Lie groups is of great importance. Let the Lie algebra be g and the corresponding Lie group G. The relation is $$\displaystyle{ \text{Lie algebra}\qquad g \ni X_{i}\mathrm{\ \ }(i = 1,\ldots,r) }$$ (4.1) $$\displaystyle{ \text{Lie group}\qquad G \ni \exp \left (\sum _{i=1}^{r}\alpha _{ i}X_{i ...
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The relationship between Lie algebras and Lie groups is of great importance. Let the Lie algebra be g and the corresponding Lie group G. The relation is $$\displaystyle{ \text{Lie algebra}\qquad g \ni X_{i}\mathrm{\ \ }(i = 1,\ldots,r) }$$ (4.1) $$\displaystyle{ \text{Lie group}\qquad G \ni \exp \left (\sum _{i=1}^{r}\alpha _{ i}X_{i ...
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1976
As we pointed out in 6.2, there are exactly two simple real Lie algebras of dimension 3. These are: the algebra \( {{\mathfrak{g}}_{1}} = \mathfrak{s}\mathfrak{l}\left( {2,R} \right) \) of real matrices of the second order with zero trace and the algebra \( {{\mathfrak{g}}_{2}} = \mathfrak{s}\mathfrak{o} = \left( {3,R} \right) \) of real skew-symmetric
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As we pointed out in 6.2, there are exactly two simple real Lie algebras of dimension 3. These are: the algebra \( {{\mathfrak{g}}_{1}} = \mathfrak{s}\mathfrak{l}\left( {2,R} \right) \) of real matrices of the second order with zero trace and the algebra \( {{\mathfrak{g}}_{2}} = \mathfrak{s}\mathfrak{o} = \left( {3,R} \right) \) of real skew-symmetric
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Groups, Lie Groups, and Lie Algebras
2011This chapter introduces abstract groups and Lie groups, which are a formalization of the notion of a physical transformation. The chapter begins with a heuristic introduction that motivates the definition of a group and gives an intuitive sense for what an “infinitesimal generator” is.
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1988
Whereas discrete groups mainly describe the symmetries of regular geometric structures (crystals), continuous groups are essential in discussing the properties of particles, fields (atoms and all the more elementary particles) and conservation laws. We restrict the investigation here to Lie groups and the Lie algebras connected with them.
Wolfgang Ludwig, Claus Falter
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Whereas discrete groups mainly describe the symmetries of regular geometric structures (crystals), continuous groups are essential in discussing the properties of particles, fields (atoms and all the more elementary particles) and conservation laws. We restrict the investigation here to Lie groups and the Lie algebras connected with them.
Wolfgang Ludwig, Claus Falter
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The Lie Algebra of a Lie Group
2017The Lie algebra of a Lie group is introduced via the tangent space and distributions and differential operators are discussed and used in this setting.
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1994
In various fields of geometry and applications object that simultaneously carry the structure of a group and a structure of a smooth manifold occur. These objects are called Lie groups provided that the group operations are smooth. As a rule, Lie groups that occur in applications have nontrivial topological structure.
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In various fields of geometry and applications object that simultaneously carry the structure of a group and a structure of a smooth manifold occur. These objects are called Lie groups provided that the group operations are smooth. As a rule, Lie groups that occur in applications have nontrivial topological structure.
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Lie Groups and Their Lie Algebras
2003In this chapter we apply the tools developed in Chapters 17–19 (flows, Lie derivatives, and foliations) to delve deeper into the relationships between Lie groups and Lie algebras.
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2014
The notion of group—‘concrete’ as a group of transformations of a set or system of differential equations – goes back to the eigthteenth century.
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The notion of group—‘concrete’ as a group of transformations of a set or system of differential equations – goes back to the eigthteenth century.
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Trigonometric Lie algebras, affine Lie algebras, and vertex algebras
Advances in Mathematics, 2020Qing Wang, Haisheng Li, Shaobin Tan
exaly