document.write("«&nbsp;<a href='/news/view?id=60492'>Residual $q$-Fano Planes and Related Structures. (arXiv:1704.07714v1 [math.CO])</a>");document.write(" | ");document.write("<a href='/news/view?id=60494'>Ribbon graphs and the fundamental group of surfaces. (arXiv:1704.07796v1 [math.CO])</a>&nbsp;»");