document.write("«&nbsp;<a href='/news/view?id=119669'>Knapsack in hyperbolic groups. (arXiv:1807.06774v1 [math.GR])</a>");document.write(" | ");document.write("<a href='/news/view?id=119671'>Launch HN: Optic (YC S18) – Automate Routine Programming</a>&nbsp;»");