Extremal orders of compositions of certain arithmetical functions

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dc.creatorSándor, József
dc.creatorTóth, László
dc.date2008-02-08
dc.date2008-09-01
dc.date.accessioned2026-07-07T09:59:19Z
dc.date.available2026-07-07T09:59:19Z
dc.descriptionWe study the exact extremal orders of compositions $f(g(n))$ of certain arithmetical functions, including the functions $σ(n)$, $ϕ(n)$, $σ^*(n)$ and $ϕ^*(n)$, representing the sum of divisors of $n$, Euler's function and their unitary analogues, respectively. Our results complete, generalize and refine known results.
dc.descriptionimproved and corrected final version
dc.identifierhttps://arxiv.org/abs/0802.1106
dc.identifierhttp://arxiv.org/abs/0802.1106
dc.identifierIntegers: Electronic Journal of Combinatorial Number Theory, 8 (2008), #A34
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167981
dc.subjectNumber Theory
dc.subject11A25, 11N37
dc.titleExtremal orders of compositions of certain arithmetical functions
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