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- Linear_algebraic_group abstract "In mathematics, a linear algebraic group is a subgroup of the group of invertible n×n matrices (under matrix multiplication) that is defined by polynomial equations. An example is the orthogonal group, defined by the relation MTM = I where MT is the transpose of M.The main examples of linear algebraic groups are certain Lie groups, where the underlying field is the real or complex field. (For example, every compact Lie group can be regarded as the group of points of a real linear algebraic group, essentially by the Peter–Weyl theorem.)These were the first algebraic groups to be extensively studied. Such groups were known for a long time before their abstract algebraic theory was developed according to the needs of major applications. Compact Lie groups were considered by Élie Cartan, Ludwig Maurer, Wilhelm Killing, and Sophus Lie in the 1880s and 1890s in the context of differential equations and Galois theory. However, a purely algebraic theory was first developed by Kolchin (1948), with Armand Borel as one of its pioneers. The Picard–Vessiot theory did lead to algebraic groups.The first basic theorem of the subject is that any affine algebraic group is a linear algebraic group: that is, any affine variety V that has an algebraic group law has a faithful linear representation, over the same field, which is also a morphism of varieties. For example the additive group of an n-dimensional vector space has a faithful representation as (n+1)×(n+1) matrices.One can define the Lie algebra of an algebraic group purely algebraically (it consists of the dual number points based at the identity element); and this theorem shows that we get a matrix Lie algebra. A linear algebraic group G consists of a finite number of irreducible components, that are in fact also the connected components: the one Go containing the identity will be a normal subgroup of G.One of the first uses for the theory was to define the Chevalley groups.".
- Linear_algebraic_group wikiPageExternalLink luminysga3.pdf.
- Linear_algebraic_group wikiPageID "395885".
- Linear_algebraic_group wikiPageRevisionID "599208898".
- Linear_algebraic_group hasPhotoCollection Linear_algebraic_group.
- Linear_algebraic_group id "p/l059070".
- Linear_algebraic_group title "Linear algebraic group".
- Linear_algebraic_group subject Category:Algebraic_groups.
- Linear_algebraic_group type Abstraction100002137.
- Linear_algebraic_group type AlgebraicGroups.
- Linear_algebraic_group type Group100031264.
- Linear_algebraic_group comment "In mathematics, a linear algebraic group is a subgroup of the group of invertible n×n matrices (under matrix multiplication) that is defined by polynomial equations. An example is the orthogonal group, defined by the relation MTM = I where MT is the transpose of M.The main examples of linear algebraic groups are certain Lie groups, where the underlying field is the real or complex field.".
- Linear_algebraic_group label "Linear algebraic group".
- Linear_algebraic_group sameAs m.0238_j.
- Linear_algebraic_group sameAs Q6553407.
- Linear_algebraic_group sameAs Q6553407.
- Linear_algebraic_group sameAs Linear_algebraic_group.
- Linear_algebraic_group wasDerivedFrom Linear_algebraic_group?oldid=599208898.
- Linear_algebraic_group isPrimaryTopicOf Linear_algebraic_group.