document.write("«&nbsp;<a href='/news/view?id=75082'>Billion-Tweet Study Proves We Write Happier Messages When the Weather Is Good</a>");document.write(" | ");document.write("<a href='/news/view?id=75084'>Boundary Regularity for the $\infty$-Heat Equation. (arXiv:1709.09487v1 [math.AP])</a>&nbsp;»");