363 citations · 719 across the 20 of their papers we have counts for
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math.ST2018
Principal components analysis of regularly varying functions
Piotr Kokoszka, Stilian Stoev, Qian Xiong
The paper is concerned with asymptotic properties of the principal components analysis of functional data. The currently available results assume the existence of the fourth moment…
math.ST2018
Testing Separability of Functional Time Series
Panayiotis Constantinou, Piotr Kokoszka, Matthew Reimherr
We derive and study a significance test for determining if a panel of functional time series is separable. In the context of this paper, separability means that the covariance stru…