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Title: Covariance function estimation for multidimensional functional data Authors:  Raymond Ka Wai Wong - Texas AM University (United States) [presenting]
Xiaoke Zhang - George Washington University (United States)
Jiayi Wang - Texas A and M University (United States)
Abstract: Multidimensional functional data are becoming more common in various domains such as climate studies, neuroimaging and chemometrics. We will present a nonparametric covariance function estimator for multidimensional functional data. It is based on an efficient spectral regularizations of an operator associated with a reproducing kernel Hilbert space. We will discuss the corresponding numerical and theoretical results.