Infinitesimally central extensions of Chevalley groups

Bibliographic Information

Infinitesimally central extensions of Chevalley groups

W.L.J. van der Kallen

(Lecture notes in mathematics, 356)

Springer-Verlag, 1973

  • : Germany
  • : U.S.

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Note

Bibliography: p. 141-143

Description and Table of Contents

Table of Contents

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