Infinitesimally Central Extensions of Chevalley Groups
Kallen, W. L. J. van der.
Infinitesimally Central Extensions of Chevalley Groups [electronic resource] / by W. L. J. van der Kallen. - X, 154 p. online resource. - Lecture Notes in Mathematics, 356 0075-8434 ; . - Lecture Notes in Mathematics, 356 .
Conventions -- Universal central extensions. Central trick -- Degenerate sums. The extension r : -- The action Âd. 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*.
9783540378570
10.1007/BFb0060175 doi
Mathematics.
Mathematics, general.
QA1-939
510
Infinitesimally Central Extensions of Chevalley Groups [electronic resource] / by W. L. J. van der Kallen. - X, 154 p. online resource. - Lecture Notes in Mathematics, 356 0075-8434 ; . - Lecture Notes in Mathematics, 356 .
Conventions -- Universal central extensions. Central trick -- Degenerate sums. The extension r : -- The action Âd. 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*.
9783540378570
10.1007/BFb0060175 doi
Mathematics.
Mathematics, general.
QA1-939
510