Convolution and Limit Theorems for Conditionally Free Random Variables
Marek Bozejko, Michael Leinert, Roland Speicher
Abstract
We introduce the notion of a conditionally free product and conditionally free convolution. We describe this convolution both from a combinatorial point of view, by showing its connection with the lattice of non-crossing partitions, and from an analytic point of view, by presenting the basic formula for its R-transform. We calculate explicitly the distributions of the conditionally free Gaussian and conditionally free Poisson distribution.
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