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Simple singularities and simple algebraic groups. (English) Zbl 0441.14002
Lecture Notes in Mathematics. 815. Berlin-Heidelberg-New York: Springer-Verlag. XI, 175 p. DM 21.50; $ 12.70 (1980).

14B05 Singularities in algebraic geometry
14L30 Group actions on varieties or schemes (quotients)
14L17 Affine algebraic groups, hyperalgebra constructions
14B07 Deformations of singularities
14E15 Global theory and resolution of singularities (algebro-geometric aspects)
14-02 Research exposition (monographs, survey articles) pertaining to algebraic geometry
20G15 Linear algebraic groups over arbitrary fields