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arXiv:math/0205089 [math.CO]AbstractReferencesReviewsResources

Generating functions for moments of the quasi-nilpotent DT-operator

Ken Dykema, Catherine Yan

Published 2002-05-08Version 1

We prove a recursion formula for generating functions of certain renormalizations of *-moments of the DT(\delta_0,1)-operator T, involving an operation \odot on formal power series and a transformation E that converts \odot to usual multiplication. This recursion formula is used to prove that all of these generating functions are rational functions, and to find a few of them explicitly.

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