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On Szegö--Kolmogorov Prediction Theorem
Published 23 Dec 2019 in math.CA | (1912.10665v1)
Abstract: The classical Szeg\"{o}--Kolmogorov Prediction Theorem gives necessary and sufficient condition on a weight $w$ on the unite cirlce $T$ so that the exponentials with positive integer frequences span the weighted space $L2(T,w)$. We consider the problem how many of these exponentials can be removed while still keeping the completeness property.
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