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Uniformity in $C^*$-algebras

Volume 252 / 2020

Adam Wegert Studia Mathematica 252 (2020), 169-211 MSC: Primary 46L05. DOI: 10.4064/sm180806-18-3 Published online: 16 December 2019


We introduce a notion of uniform structure on the set of all representations of a given separable, not necessarily commutative $C^*$-algebra $\mathfrak A $ by introducing a suitable family of metrics on the set of representations of $\mathfrak A $ and investigate its properties. We define the noncommutative analogue of the notion of the modulus of continuity of an element in a $C^*$-algebra and we establish its basic properties. We also deal with morphisms of $C^*$-algebras by defining two notions of uniform continuity and show their equivalence.


  • Adam WegertFaculty of Applied Mathematics
    AGH University of Science and Technology
    al. Mickiewicza 30
    30-059 Kraków, Poland

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