PROJECTIVE COVARIANT REPRESENTATIONS OF LOCALLY C*-DYNAMICAL SYSTEMSopen access
- Authors
- Heo, Jaeseong; Ji, Un Cig; Kim, Young Yi
- Issue Date
- Apr-2013
- Publisher
- MATHEMATICAL SOC REP CHINA
- Keywords
- Locally C*-algebra; Hilbert module; Krein module; alpha-Completely positive map; J-Representation; Projective representation; Locally C*-dynamical system; Locally C*-crossed product
- Citation
- TAIWANESE JOURNAL OF MATHEMATICS, v.17, no.2, pp.529 - 544
- Indexed
- SCIE
SCOPUS
- Journal Title
- TAIWANESE JOURNAL OF MATHEMATICS
- Volume
- 17
- Number
- 2
- Start Page
- 529
- End Page
- 544
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/163108
- DOI
- 10.11650/tjm.17.2013.2156
- ISSN
- 1027-5487
- Abstract
- As a generalization of covariant completely positive maps, we consider (projective) covariant a-completely positive maps between locally C*-algebras. We first study (projective) covariant J-representations of locally C*-algebras on Krein modules over locally C*-algebras. Secondly, we construct a covariant KS-GNS type representation associated with a covariant alpha-completely positive map on a locally C*-algebra, and then study extensions to a locally C*-crossed product of alpha-completely positive maps on a locally C*-algebra. The results provide (projective) covariant representations of a locally C*-crossed product on a Krein module over a locally C*-algebra.
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