Nuclearity of semigroup C*-algebras

Astrid an Huef, Brita Nucinkis, Camila F. Sehnem +1

We study the semigroup C*-algebra of a positive cone P of a weakly quasi-lattice ordered group. That is, P is a subsemigroup of a discrete group G with P\cap P^{-1}=\{e\} and such…