document.write("« Optimality and Sub-optimality of PCA I: Spiked Random Matrix Models. (arXiv:1807.00891v1 [math.ST])");document.write(" | ");document.write("Overcoming the curse of dimensionality in the numerical approximation of semilinear parabolic partial differential equations. (arXiv:1807.01212v1 [math.PR]) »");