2 papers
math.OA2005
A Non-commutative analogue of Gaussian Hilbert Spaces
Mihai Popa
The paper gives analogues of some starting results in the theory of Gaussian Hilbert Spaces for semicircular distributed random variables. The transition from the commutative to th…
math.CO2005
Zimmermann Type Cancellation in the Free Faa di Bruno Algebra
Michael Anshelevich, Edward G. Effros, Mihai Popa
The N-variable Hopf algebra introduced by Brouder, Fabretti, and Krattenaler (BFK) in the context of non-commutative Lagrange inversion can be identified with the inverse of the in…