Almost-primes represented by quadratic polynomials
An additive problem with primes and almost-primes
An average form of Artin's conjecture
Arithmetic progressions of prime-almost-prime twins
Arithmetical semigroups II: sieving by large and small prime elements. Sets of multiples.
Autour de la conjecture de Sato-Tate pour les sommes de Kloosterman I.
Averages of twisted elliptic L-functions