Discrete Cocompact subgroups of G53 and related C*-algebras
P. Milnes, S. Walters
Abstract
The discrete cocompact subgroups of the 5-dimensional Lie group G53 are determined up to isomorphism. Each of their group C*-algebras is studied by determining all of its simple infinite dimensional quotient C*-algebras. The K-groups and trace invariants of the latter are also obtained.
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