document.write("«&nbsp;<a href='/news/view?id=45793'>$\ell^2$ bounded variation and absolutely continuous spectrum of Jacobi matrices. (arXiv:1702.05245v1 [math.SP])</a>");document.write(" | ");document.write("<a href='/news/view?id=45795'>A Bee Mogul Confronts the Crisis in His Field</a>&nbsp;»");