On a generalisation of a Lehmer problem

Igor E. Shparlinski

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We consider a generalisation of the classical Lehmer problem about the distribution of modular inverses in arithmetic progression, introduced by E. Alkan, F. Stan and A. Zaharescu. Using bounds for multiplicative character sums instead of bounds for Kloosterman sums traditionally applied to this kind of problem, we improve their results in several directions.

Original languageEnglish
Pages (from-to)619-631
Number of pages13
JournalMathematische Zeitschrift
Issue number3
Publication statusPublished - Sept 2009


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