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On Behrend sequences

Published online by Cambridge University Press:  24 October 2008

R. R. Hall
Affiliation:
Department of Mathematics, York University, Heslington, York YOl 5DD, England
G. Tenenbaum
Affiliation:
Département de Mathématiques, Université de Nancy I, BP 239, 54506 Vandoeuvre Cedex, France

Extract

Let denote a sequence of integers exceeding 1, and let τ(n, ) be the number of those divisors of n which belong to . We say that is a Behrend sequence if

where, here and in the sequel, we use the notation p.p. to indicate that a relation holds on a set of asymptotic density one.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1992

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References

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