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math.NT2023
A Menon-type Identity derived using Cohen-Ramanujan sum
Arya Chandran, K Vishnu Namboothiri
Menon's identity is a classical identity involving gcd sums and the Euler totient function . We derived the Menon-type identity $\sum\limits_{\substack{m=1\\(m.n^s)_s=1}}^{n^s}…
math.NT2023
Some asymptotic formulae involving Cohen-Ramanujan expansions
Arya Chandran, K Vishnu Namboothiri
Some necessary and sufficient conditions for the existence of Cohen-Ramanujan expansions for arithmetical functions were provided by these authors in [\textit{arXive preprint arXiv…