Compatibility of a noncommutative probability space and a noncommutative probability space with amalgamation
arXiv:math/0405192
Abstract
In this paper, we will consider R-transform theory and R-transform calculus for compatible noncommutative probability space and amagamated noncommutative probability space. By doing this, we can realize the relation between scalar-valued R-transforms and operator-valued moment series, under the compatibility. Also, we can see that there is a big gap between freeness and amalgamated freeness.
37 pages