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math.NT2018
On a sum involving the Euler function
Olivier Bordellès, Lixia Dai, Randell Heyman +2
We obtain reasonably tight upper and lower bounds on the sum , involving the Euler functions and the integer…
math.NT2018★ 1 cited
On some identities in multiplicative number theory
Olivier Bordellès, Benoit Cloitre
Using elementary means, we prove several identities involving the Möbius function, generalizing in the multidimensional case well-known formulas coming from convolution arguments.