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math.PR2025
The Fourth-Moment Theorem on Hilbert Spaces
Marie-Christine Düker, Pavlos Zoubouloglou
In this work, we establish conditions ensuring convergence in distribution of a sequence admitting a Wiener-Itô chaos representation to a nondegenerate Gaussian measure on a separa…
math.PR2025
Scaling limits for sample autocovariance operators of Hilbert space-valued linear processes
Marie-Christine Düker, Pavlos Zoubouloglou
This article considers linear processes with values in a separable Hilbert space exhibiting long-range dependence. The scaling limits for the sample autocovariance operators at dif…