Discrete Groups, Grothendieck Rings and Families of Finite Subgroups 

by Alejandro Adem 

KEYWORDS 
        cohomology and K-theory of discrete groups 
DATE 
        March 31, 1995 
STATUS 
        to appear in Contemporary Mathematics 
COMMENT 

Abstract

In this paper we use families of finite subgroups to study Grothendieck rings 
associated to certain discrete groups, such as the arithmetic ones.