Lifting Problems and the Cohomology of C*-Algebras

Choi, Man-Duen ; Effros, Edward G.

Canadian journal of mathematics, Tome 29 (1977) no. 5, pp. 1092-1111

Résumé

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

Détail

DOI : 10.4153/CJM-1977-108-x

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