document.write("«&nbsp;<a href='/news/view?id=80528'>Fighting fish and two-stack sortable permutations. (arXiv:1711.05713v1 [math.CO])</a>");document.write(" | ");document.write("<a href='/news/view?id=80530'>Fisher information matrix of binary time series. (arXiv:1711.05483v1 [math.ST])</a>&nbsp;»");