document.write("«&nbsp;<a href='/news/view?id=60494'>Ribbon graphs and the fundamental group of surfaces. (arXiv:1704.07796v1 [math.CO])</a>");document.write(" | ");document.write("<a href='/news/view?id=60496'>Rough path metrics on a Besov--Nikolskii type scale. (arXiv:1609.03132v2 [math.PR] UPDATED)</a>&nbsp;»");