Topological torsion related to some recu
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Giuseppina Barbieri; Dikran Dikranjan; Chiara Milan; Hans Weber
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Article
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2008
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John Wiley and Sons
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English
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## Abstract For a recursively defined sequence __u__ : = (__u~n~__) of integers, we describe the subgroup __t~u~__ (๐) of the elements __x__ of the circle group ๐ satisfying lim~__n__~ __u~n~x__ = 0. More attention is dedicated to the sequences satisfying a secondorder recurrence relation. In this