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Lifting Problems and the Cohomology of C*-Algebras

Published online by Cambridge University Press:  20 November 2018

Man-Duen Choi  and
Edward G. Effros
Man-Duen Choi
Affiliation:
University of Toronto, Toronto, Ontario
Edward G. Effros
Affiliation:
University of Pennsylvania, Philadelphia, Pennsylvania
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Suppose that A and B are C*-algebras, J is a closed two-sided ideal in B, and that η: B →B/J is the quotient map. Given a linear contraction φ : A →B/J, a linear map Ψ: A →B is a lifting of φ if one has a commutative diagram

Type
Research Article
Information
Canadian Journal of Mathematics , Volume 29 , Issue 5 , 01 October 1977 , pp. 1092 - 1111
Copyright
Copyright © Canadian Mathematical Society 1977

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