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math.ST2024★ 1 cited
Gradual changes in functional time series
Patrick Bastian, Holger Dette
We consider the problem of detecting gradual changes in the sequence of mean functions from a not necessarily stationary functional time series. Our approach is based on the maximu…
math.ST2024
Balancing the edge effect and dimension of spectral spatial statistics under irregular sampling with applications to isotropy testing
Theresa Eckle, Anne van Delft, Holger Dette
We investigate distributional properties of a class of spectral spatial statistics under irregular sampling of a random field that is defined on , and use this to obt…