document.write("«&nbsp;<a href='/news/view?id=119574'>YC Startup School 2018: a free, 10-week, online course</a>");document.write(" | ");document.write("<a href='/news/view?id=119576'>$L^2$ harmonic forms and the Seiberg-Witten map on non compact four manifolds. (arXiv:1807.06741v1 [math.DG])</a>&nbsp;»");