document.write("« A nestable, multigrid-friendly grid on a sphere for global spectral models based on Clenshaw-Curtis quadrature. (arXiv:1711.11296v1 [math.NA])");document.write(" | ");document.write("A new proof of the competitive exclusion principle in the chemostat. (arXiv:1711.06928v2 [math.CA] UPDATED) »");