Arithmetical function and distributions

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The discussion explores the relationship between arithmetical functions and Dirac delta functions, specifically examining if an arithmetical function A(x) can be expressed as a sum involving delta functions. It highlights the explicit formula for the Chebyshev function and its derivative, suggesting a connection to the distribution of prime numbers. The conversation also touches on the application of the Mellin transform to derive sums over Riemann zeros for various functions, contingent on the existence of their Mellin transforms. A referenced paper discusses the connection to the Gamma function, providing further insights into these mathematical relationships. Overall, the thread delves into advanced concepts linking number theory and distribution theory.
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can any Arithmetical function A(x)= \sum_{n\le x}a(n)

be regarded as the train of dirac delta functions (its derivative)

dA = \sum_{n=1}^{\infty}a(n)\delta (x-n)

from this definition could we regard the explicit formulae for chebyshev function

d\Psi(x) =1- \sum_{\rho}x^{\rho -1}- (x^{3}-x)^{-1}

and from this, using the definition of Mellin transform, we could obtain the sums over the Riemann zeros for lots of function f(x) provided its Mellin transform exists.
 
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