CollapseProblem 661Are there, for all large nnn, some points x1,…,xn,y1,…,yn∈R2x_1,\ldots,x_n,y_1,\ldots,y_n\in \mathbb{R}^2x1,…,xn,y1,…,yn∈R2 such that the number of distinct distances d(xi,yj)d(x_i,y_j)d(xi,yj) is o(nlogn)?o\left(\frac{n}{\sqrt{\log n}}\right)?o(lognn)?Source: erdosproblems.com/661GeometryDistancesWiki pageStatusOpenNo claim settles this problem.