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Publication:4021251
zbMath0781.46042MaRDI QIDQ4021251
Michael Pannenberg, Silvia Romanelli
Publication date: 16 January 1993
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
\(T\)-Korovkin closure\(T\)-universal Korovkin closurecontraction with respect to the spectral radius
Approximation by operators (in particular, by integral operators) (41A35) General theory of topological algebras (46H05) General theory of topological algebras with involution (46K05)
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On existence of finite universal Korovkin sets in the centre of group algebras ⋮ The Gleason-Kahane-Zelazko property and Korovkin systems in symmetric involutive Banach algebras ⋮ Approximate regularity of commutative Beurling algebras and Korovkin approximation
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