document.write("« A sharp estimate for the first Robin-Laplacian eigenvalue with negative boundary parameter. (arXiv:1810.06108v1 [math.AP])");document.write(" | ");document.write("A space-time pseudospectral discretization method for solving diffusion optimal control problems with two-sided fractional derivatives. (arXiv:1810.05876v1 [math.OC]) »");