5 citations · 9 across the 7 of their papers we have counts for
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math.FA2003
Relations on noncommutative variables and associated orthogonal polynomials
T. Banks, T. Constantinescu, J. L. Johnson
This semi-expository paper surveys results concerning three classes of orthogonal polynomials: in one non-hermitian variable, in several isometric non-commuting variables, and in s…
quant-ph2003
Parametrization of Quantum States and Channels
T. Constantinescu, V. Ramakrishna
In this manuscript, a parametrization of positive matrices together with some of its many applications in quantum information theory is given.
math.FA2003
Tensor Algebras and Displacement Structure. III. Asymptotic properties
M. Barakat, T. Constantinescu
We continue to investigate some classes of Szegö type polynomials in several variables. We focus on asymptotic properties of these polynomials and we extend several classical resul…