Lajos Molnar
Published 2019-01-16Version 1
In this paper we present some characterizations for quasi-arithmetic operator means (among them the arithmetic and harmonic means) on the positive definite cone of the full algebra of Hilbert space operators, and also for the Kubo-Ando geometric mean on the positive definite cone of a general non-commutative $C^*$-algebra.
Comments: to appear in Linear Algebra Appl
Characterizations of Connections for Positive Operators
Embeddings and characterizations of Lipschitz spaces
On characterizations of $\mathcal{MT}(λ)$-functions
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