Sumaia Saad Eddin

Products of two proportional primes

In RSA cryptography numbers of the form

An explicit upper bound for |L(1,χ)| when χ(2) = 1 and χ is even

pq

On Sums of Weighted Averages of gcd-Sum Functions

, with

Explicit upper bounds for the Stieltjes constants

p

On two problems concerning the Laurent-Stieltjes coefficients of Dirichlet L-series

and

Sums of gcd-sum functions with weights concerning the Gamma function and Bernoulli polynomials

q

Jordan totient quotients.

two distinct proportional primes play an important role. For a fixed real number

An asymptotic formula for the

r>1

2k

we formalize this by saying that an integer

-th power mean value of

pq