𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Crossed products of commutation systems

✍ Scribed by R. Rousseau; A. Van Daele


Book ID
105189653
Publisher
Springer
Year
1979
Tongue
English
Weight
745 KB
Volume
239
Category
Article
ISSN
0025-5831

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A product system E over a semigroup P is a family of Hilbert spaces [E s : s # P] together with multiplications E s \_E t Γ„ E st . We view E as a unitary-valued cocycle on P, and consider twisted crossed products A < ;, E P involving E and an action ; of P by endomorphisms of a C\*-algebra A. When P

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