The Quarterly Journal of Mathematics Advance Access published online on September 18, 2009
The Quarterly Journal of Mathematics, doi:10.1093/qmath/hap029
SPARSE VARIANCE FOR PRIMES IN ARITHMETIC PROGRESSION
Institut für Algebra und Zahlentheorie, Universität Stuttgart, D-70511 Stuttgart, Germany

School of Mathematics, University of Bristol, University Walk, Clifton, Bristol BS8 1TW, UK
Corresponding author. E-mail: Trevor.Wooley{at}bristol.ac.uk
Received 4 May 2009;
revised 18 August 2009
| Abstract |
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An analogue of the Montgomery–Hooley asymptotic formula is established for the variance of the number of primes in arithmetic progressions, in which the moduli are restricted to the values of a polynomial.