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AuthorKallen, W. L. J. van der. author
TitleInfinitesimally Central Extensions of Chevalley Groups [electronic resource] / by W. L. J. van der Kallen
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 1973
Connect tohttp://dx.doi.org/10.1007/BFb0060175
Descript X, 154 p. online resource

CONTENT

Conventions -- Universal central extensions. Central trick -- Degenerate sums. The extension r : -- The action ร{130}d. Structure of g*Z, g*R -- Admissible lattices and the category LV. ?-connected components -- The G-module ker ? -- G-invariant [p]-structures -- The extension ? : G* ? G -- Extensions of G by a G-module -- The hochschild groups -- The existence of ? : G* ? G -- Relations in the open cell -- Representatives in G* of the Weyl group -- The theorem of generators and relations and its consequences -- The group functor G*


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