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Cube spaces and the multiple term return times theorem
Published online by Cambridge University Press: 14 March 2013
Abstract
We give a new proof of Rudolph’s multiple term return times theorem based on Host–Kra structure theory. Our approach provides characteristic factors for all terms, works for arbitrary tempered Følner sequences and also yields a multiple term Wiener–Wintner-type return times theorem for nilsequences.
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- Copyright ©2013 Cambridge University Press
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