Abstract
We prove that when a random field with bounded spectral density satisfies a Donsker type theorem, its dilated and properly normalised spectral field admits a weak limit. We apply this result to establish the convergence of partial sums for random fields obtained by filtering a white noise. In particular, we prove the convergence of partial sums for strongly-dependent fields whose memory does not satisfy the regularity conditions previously met in the literature.
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Lavancier, F. Invariance principles for non-isotropic long memory random fields. Stat Infer Stoch Process 10, 255–282 (2007). https://doi.org/10.1007/s11203-006-9001-9
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DOI: https://doi.org/10.1007/s11203-006-9001-9