3 papers
math.NT2017
On infinite multiplicative Sidon sets
Péter Pál Pach, Csaba Sándor
We prove that if is an infinite multiplicative Sidon set, then and construct an infinite mul…
math.NT2017
On a conjecture of Erdős about sets without pairwise coprime integers
Sándor Z. Kiss, Csaba Sándor, Quan-Hui Yang
Let be the set of positive integers. Let denote all subsets of such that neither of them contains pairwise coprime integers and $C…
math.NT2017
On some properties of representation functions related to the Erdős-Turán conjecture
Csaba Sándor, Quan-Hui Yang
For a set and , let denote the number of ordered pairs such that . The celebrated Erdős-Turán conjec…