C Chen,
IE Shparlinski - Journal of Mathematical Analysis and Applications, 2021 - Elsevier
We prove that the set of (x 1,…, xd)∈[0, 1) d, such that lim _ N→∞|∑ n= 1 N exp(2 π i (x 1
n+…+ xdnd))|= 0, contains a dense G δ set in [0, 1) d and has a positive Hausdorff …