document.write("«&nbsp;<a href='/news/view?id=61105'>Existence of Strong Solutions to Degenerate or Singular Strongly Coupled Elliptic Systems. (arXiv:1705.05490v1 [math.AP])</a>");document.write(" | ");document.write("<a href='/news/view?id=61107'>Face ring for Z-matroids. (arXiv:1705.05816v1 [math.CO])</a>&nbsp;»");