## A groupoid approach to C*-algebras.(English)Zbl 0433.46049

Lecture Notes in Mathematics. 793. Berlin-Heidelberg-New York: Springer-Verlag. III, 160 p. DM 21.50; \$ 12.70 (1980).

### MSC:

 46L05 General theory of $$C^*$$-algebras 18B40 Groupoids, semigroupoids, semigroups, groups (viewed as categories) 20L05 Groupoids (i.e. small categories in which all morphisms are isomorphisms) 22D25 $$C^*$$-algebras and $$W^*$$-algebras in relation to group representations 54H15 Transformation groups and semigroups (topological aspects) 46-02 Research exposition (monographs, survey articles) pertaining to functional analysis 46L30 States of selfadjoint operator algebras 46L40 Automorphisms of selfadjoint operator algebras