On the height of cyclotomic polynomials
On the hybrid mean value of Cochrane sums and generalized Kloosterman sums
On the hybrid mean value of Dedekind sums and Hurwitz zeta-function
On the independence of σ(ϕ(n)) and ϕ(σ(n))
On the Integers n for which ...(n) = k (II).
On the Integers Relatively Prime to n and a Number-Theoretic Function Considered by Jacobsthal.
On the intervals between numbers that are sums of two squares. III.
On the intervals between numbers that are sums of two squares: IV.
On the irrationality of a divisor function series.
On the iterates of the sum of exponential divisors.
On the iteration of . (Sur l'itéré de .)
On the k-free divisor problem
On the k-free divisor problem (II)
On the largest -primitive subset of .
On the largest prime factor of integers
On the largest prime factor of
For an integer we denote by the largest prime factor of . We obtain several upper bounds on the number of solutions of congruences of the form and use these bounds to show that
On the largest prime factor of the partition function of n
On the largest prime factors of n and n+1.
On the largest prime factors of n and n+1. (Short Communication).
On the Laurent Coefficients of Certain Dirichlet Series