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math.OA2004★ 46 cited
Combinatorial aspects of Connes's embedding conjecture and asymptotic distribution of traces of products of unitaries
Florin Radulescu
In this paper we study the asymptotic distribution of the moments of (non-normalized) traces $\Tr (w_1), \Tr(w_2), ..., \Tr(w_r)$, where are reduced words in…
math.OA2004★ 10 cited
A non-commutative, analytic version of Hilbert's 17-th problem in type II von Neumann algebras
Florin Radulescu
We prove a non-commutative version of the Hilbert's 17th problem, giving a characterization of the class of non-commutative polynomials in n-undeterminates that have positive trace…