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Free Jacobi Process Associated with One Projection: Local Inverse of the Flow

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Abstract

We pursue the study started in Demni and Hmidi (Colloq Math 137(2):271–296, 2014) of the dynamics of the spectral distribution of the free Jacobi process associated with one orthogonal projection. More precisely, we use Lagrange inversion formula in order to compute the Taylor coefficients of the local inverse around \(z=0\) of the flow determined in Demni and Hmidi (Colloq Math 137(2):271–296, 2014). When the rank of the projection equals 1/2, the obtained sequence reduces to the moment sequence of the free unitary Brownian motion. For general ranks in (0, 1), we derive a contour integral representation for the first derivative of the Taylor series.

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Notes

  1. In this introductory part, we ommit the dependence of our notations on \(\{P,Q\}\).

  2. The principal branch of the square root is taken.

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Authors and Affiliations

  1. Institut de Recherche en Mathématiques de Rennes, Université Rennes 1, Rennes Cedex, France

    N. Demni

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  1. N. Demni
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Correspondence to N. Demni.

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Communicated by Hari Bercovici.

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Demni, N. Free Jacobi Process Associated with One Projection: Local Inverse of the Flow. Complex Anal. Oper. Theory 10, 527–543 (2016). https://doi.org/10.1007/s11785-015-0475-6

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  • DOI: https://doi.org/10.1007/s11785-015-0475-6

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