Non-commutative Markov processes in free groups factors, related to Berezin's quantization and automorphic forms. Rădulescu, Florin — 2007 Acta Universitatis Apulensis. Mathematics - Informatics
Random matrices, amalgamated free products and subfactors of the von Neumann algebra of a free group, of noninteger index. Florin Radulescu — 1994 Inventiones mathematicae
On smooth extensions of odd dimensional spheres and multidimensional Helton and Howe formula. Florin Radulescu — 1988 Journal für die reine und angewandte Mathematik