Browsing Mathematics publications (MU) by Identifier "0025-5858"
Now showing items 1-1 of 1
-
Compositions with the Euler and Carmichael Functions
(Springer Verlag, 2005)Let ' and _ be the Euler and Carmichael functions, respectively. In this paper, we establish lower and upper bounds for the number of positive integers n ≤ x such that '(_(n)) = _('(n)). We also study the normal order of ...