Work

Smooth values of the iterates of the Euler's Phi function

Year: 2005
Type: preprint
Abstract: Let $ϕ(n)$ be the Euler-phi function, define $ϕ_0(n) = n$ and $ϕ_{k+1}(n)=ϕ(ϕ_{k}(n))$ for all $k\geq 0$. We will determine an asymptotic formula for the set of integers $n$ less than $x$ for which $ϕ_k(n)$ is $y$-smooth, conditionally on a weak form of the Elliott-Halberstam conjecture.
Language: English
Open Access status: green
OpenAlex ID: W2953082767
Cites: 5
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Related to: 10