Korovkin's theorems for C*-algebras

DOI10.1016/0021-9045(79)90100-XzbMath0428.41014OpenAlexW1995755596MaRDI QIDQ1137201

Sin-Ei Takahasi

Publication date: 1979

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(79)90100-x

zbMATH Keywords

positive linear operatorChoquet boundaryC*-algebrapositive linear functionalpure stateKorovkin's theoremspeaking element

Mathematics Subject Classification ID

Approximation by positive operators (41A36)

Related Items (3)

A counterexample in Korovkin theory ⋮ On the universal convergence sets ⋮ Weak Korovkin approximation by completely positive linear maps on \(\beta\) (H)

Cites Work

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• An elementary proof of a fundamental theorem in the theory of Banach algebras
• A noncommutative Korovkin theorem
• The general Stone-Weierstrass problem
• On theorems of Korovkin, II
• Unitary invariants for compact operators
• On theorems of Korovkin

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