2 papers
math.NT2009
On a question of Sárközy on gaps of product sequences
Javier Cilleruelo, Thai Hoang Le
Motivated by a question of Sárközy, we study the gaps in the product sequence $\B=\A ... \A=\{b_n=a_ia_j, a_i,a_j\in \A\}$ when $\A$ has upper Banach density . We prove that t…
math.NT2009
Intersective polynomials and the primes
Thai Hoang Le
Intersective polynomials are polynomials in having roots every modulus. For example, and are intersective polynomials, but is not…