Mean values of a gcd-sum function over regular integers modulo $n$
J. Integer Seq. 13(4), Article ID 10.4.7, 11 p., electronic only (2010)
Summary
Summary: In this paper we study the mean value of a gcd-sum function over regular integers modulo $n$. In particular, we improve the previous result under the Riemann hypothesis (RH). We also study the short interval problem for it without assuming RH.
Mathematics Subject Classification
11N37
Keywords/Phrases
gcd-sum function, regular integers modulo n, Riemann hypothesis, short interval result
