A cohomological proof of Brieskorn’s theorem describing the singularity of the nilpotent cone of a complex simple Lie algebra in a subregular point, is given.
KeywordsIrreducible Component Simple Root Exceptional Divisor Cartan Matrix Nilpotent Orbit
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Unable to display preview. Download preview PDF.
- [EGA]A. Grothendieck and J. Dieudonne, EGA.Google Scholar
- [Sl]P. Slodowy,Simple singularities and simple algebraic groups, Springer Lecture Notes in Math.815 (1980).Google Scholar
- [Sp]T. Springer,The unipotent variety of a semisimple group, Proc. Colloq. Alg. Geom. Tata Institute (1969), 373–391.Google Scholar
- [St]R. Steinberg,Conjugacy classes in algebraic groups, Springer Lecture Notes in Math.366(1974).Google Scholar
© Hebrew University 1991