TY - BOOK AU - Cuntz,Joachim AU - Echterhoff,Siegfried AU - Li,Xin AU - Yu,Guoliang TI - K-theory for group c*-algebras and semigroup c*-algebras T2 - Oberwolfach seminars SN - 9783319599144 U1 - 512.66 23 PY - 2017/// CY - Cham : PB - Birkhauser KW - K-theory. KW - C*-algebras. KW - Functional analysis. N1 - Includes bibliographical references; 1. Introduction.- 2. Crossed products and the Mackey-Rieffel-Green machine.- 3. Bivariant KK-Theory and the Baum-Connes conjecure.- 4. Quantitative K-theory for geometric operator algebras.- 5. Semigroup C*-algebras.- 6. Algebraic actions and their C*-algebras.- 7. Semigroup C*-algebras and toric varieties N2 - This book gives an account of the necessary background for group algebras and crossed products for actions of a group or a semigroup on a space and reports on some very recently developed techniques with applications to particular examples ER -