Abstract Homomorphisms of Big Subgroups of Algebraic Groups

B. Weisfeiler

Source: Topics in the Theory of Algebraic Groups (Notre Dame, Ind.: University of Notre Dame Press, 1982), 135-181.

Abstract

Contents

• A. Motivation
• B. Evident restrictions
• C. Isotropic semi-simple groups over fields
• D. Short remarks on O'Meara's method
• E. Tits' results on homomorphisms of Lie groups
• F. Rigidity, strong rigidity, and superrigidity of lattices
• G. Quotient groups of lattices
• H. Lattices in PSO(n,1) and PSU(n,1)
• I. Concluding remarks