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math.FA2014
Leibniz seminorms in probability spaces
Adam Besenyei, Zoltan Leka
In this paper we study the (strong) Leibniz property of centered moments of bounded random variables. We shall answer a question raised by M. Rieffel on the non-commutative standar…
math.FA2010
Completely positive mappings and mean matrices
Adam Besenyei, Denes Petz
Some real functions f induce mean of positive numbers and the matrix monotonicity gives a possibility for means of positive definite matrices. Moreover, such a function f can defin…