W. L. J. van der Kallen

Infinitesimally Central Extensions of Chevalley Groups

• Broschiertes Buch

Produktbeschreibung

Conventions.- Universal central extensions. Central trick.- Degenerate sums. The extension r : .- The action ¿. 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*.

Produktdetails

• Lecture Notes in Mathematics 356
• Verlag: Springer / Springer Berlin Heidelberg / Springer, Berlin
• Artikelnr. des Verlages: 978-3-540-06559-3
• 1973.
• Seitenzahl: 160
• Erscheinungstermin: 21. Dezember 1973
• Englisch
• Abmessung: 235mm x 155mm x 9mm
• Gewicht: 274g
• ISBN-13: 9783540065593
• ISBN-10: 3540065598
• Artikelnr.: 23380600

Inhaltsangabe

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*.