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math.PR2016
Asymptotic distributions of Wishart type products of random matrices
Romuald Lenczewski, Rafał Sałapata
We study asymptotic distributions of large dimensional random matrices of the form , where is a product of rectangular random matrices, using free probability and c…
math.PR2001
Noncommutative extensions of the Fourier transform and its logarithm
Romuald Lenczewski
We introduce and study noncommutative extensions of the Fourier transform and its logarithm to the algebra of functions on the free semigroup FS(2) on two generators with the convo…