Metric results of the intersection of sets in Diophantine approximation

Chen Tian, Liuqing Peng

Let $\psi :{\mathbb{R}}_{>0}\to {\mathbb{R}}_{>0}$ be a non-increasing function. Denote by $W(\psi )$ the set of $\psi$-well-approximable points and by $E(\psi )$ the set of points $x\in[0,1…