Autor(en): van Delft, Anne
Titel: A note on quadratic forms of stationary functional time series under mild conditions
Sprache (ISO): en
Zusammenfassung: We study the distributional properties of a quadratic form of a stationary functional time series under mild moment conditions. As an important application, we obtain consistency rates of estimators of spectral density operators and prove joint weak convergence to a vector of complex Gaussian random operators. Weak convergence is established based on an approximation of the form via transforms of Hilbert-valued martingale difference sequences. As a side-result, the distributional properties of the long-run covariance operator are established.
Schlagwörter: functional data
martingales
spectral analysis
time series
URI: http://hdl.handle.net/2003/38205
http://dx.doi.org/10.17877/DE290R-20184
Erscheinungsdatum: 2019
Enthalten in den Sammlungen:Sonderforschungsbereich (SFB) 823

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