document.write("« FLORIS and CLORIS: Hybrid Source and Network Localization Based on Ranges and Video. (arXiv:1801.08155v1 [math.OC])");document.write(" | ");document.write("Failure of $L^2$ boundedness of gradients of single layer potentials for measures with zero low density. (arXiv:1801.08453v1 [math.CA]) »");