document.write("«&nbsp;<a href='/news/view?id=139801'>Extremal functions for Morrey's inequality. (arXiv:1810.04393v1 [math.AP])</a>");document.write(" | ");document.write("<a href='/news/view?id=139803'>Facial reduction for exact polynomial sum of squares decompositions. (arXiv:1810.04215v1 [math.AG])</a>&nbsp;»");