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math.NT2008
Cesaro averages of Euler-like functions
Aicardi Francesca
By Euler-like function we mean a function defined on the positive integers and associating to the product, over all primes dividing , of 1 plus (or minus) the inverse of…
math.NT2008
Matricial formulae for partitions
Aicardi Francesca
The exponential of the triangular matrix whose entries in the diagonal at distance from the principal diagonal are all equal to the sum of the inverse of the divisors of is…